单选题The first term in a geometric sequence is 3 and the 4th term is 81. What is the 10th term of the sequence?A177, 147B59, 049C19, 683D6, 561E2, 187
单选题
The first term in a geometric sequence is 3 and the 4th term is 81. What is the 10th term of the sequence?
A
177, 147
B
59, 049
C
19, 683
D
6, 561
E
2, 187
参考解析
解析：
First find the common multiplier needed to get from 3 to 81 in 3 steps. This number is 3. Six more steps get us to the 10th term. Therefore 81 × 36 = 59 049.
First find the common multiplier needed to get from 3 to 81 in 3 steps. This number is 3. Six more steps get us to the 10th term. Therefore 81 × 36 = 59 049.
相关考题：
What is talk mainly about?A． The history of the term.B． The courses for the term.C． The plan for the day.
Why do people replace the term creationism with the term intelligent design nowadays?A．Because "intelligent design" represents the modified theory of evolution.B．Because they believe God created different species.C．Because the term creationism is unscientific.D．Because the term creationism is too direct.
In credit mix, tenor refers to ______.A．term of loanB．term structure of loanC．term of assetD．term structure of asset
He used to feel confident ( ) language ability.A、in the term ofB、in terms ofC、in term ofD、in a term of
the term“parliament”was first officially used in 1 066 to describe the gathering of feudal barons and representatives from counties and towns. ()
The following statements concerning long-term debt are true except that ______.A．long-term debt is a liability of a period longer than one yearB．long-term debts are paid in installmentsC．despite of different payment plans, long-term debts are never classified as current liabilitiesD．the loan borrowed by the company is a typical example of long-term debt
Referring to the exhibit, you must move the match term above the reject term. Which command would accomplish this task?() A. set term match from policy rejectB. up 1 copy policy-statement my-policy term match to term before-rejectC. activate term match to policyD. insert term match before term reject
A routing policy has three terms and the first term of the policy does not contain a terminating action. What will become of the routes after they have been evaluated by the first term?() A.In the absence of a terminating action, all routes are accepted.B.The route will be evaluated by the second term in the policy.C.The default action will be applied.D.In the absence of a termination action, all routes are rejected.
Which statement is correct about a Routing Policy term?() A.A term must contain a from statement.B.A term acts like if and then statements.C.The most specific term has precedence.D.Terms can be written in any order to achieve the same behavior.
Hacksandintrusionsaffecttheeconomicperformanceofbusinessimmediately,intheshort－term,andinthelong－term.Whichtwooftheseareshort－termeconomicimpactsofasecuritybranch?() A.lossofretailsalesB.erosionofinvestorconfidenceC.disruptionofbusinessoperationD.lossofsuppliersorcustomers
The term dialect,as a technical term in linguistics,carries value judgement and not simply refers to a distinct form of language.A对B错
A routing policy has three terms and the first term of the policy does not contain a terminating action. What will become of the routes after they have been evaluated by the first term?（）A、In the absence of a terminating action, all routes are accepted.B、The route will be evaluated by the second term in the policy.C、The default action will be applied.D、In the absence of a termination action, all routes are rejected.
Which two statements are true about terms in a routing policy?（）A、A routing policy cannot have more than one term.B、If a term does not contain a from statement, all routes match.C、If a term does not contain a from statement, the Junos OS will not commit.D、A then statement is not mandatory in a term.
LTE是指（）。A、Long Term EvolutionB、Long Time EvolutionC、Length Term EvolutionD、Length Time Evolution
Which statement is correct about a Routing Policy term?（）A、A term must contain a "from" statement.B、A term acts like "if" and "then" statements.C、The most specific term has precedence.D、Terms can be written in any order to achieve the same behavior.
Which two statements are true about terms in a routing policy?（）A、A then statement is mandatory in a termB、If a term does not contain a from statement, all routers matchC、If a term does not contain a from statement, the Junos OS will not commitD、A then statement is not mandatory in a term
多选题Which two statements are true about firewall filter configurations?（）AMultiple action modifiers can be included in the same term.BOnly a single action modifier can be included in the same term.CThe default term within a firewall filter uses the discard action.DThe default term within a firewall filter uses the reject action.
单选题The first term in a geometric sequence is 3 and the 4th term is 81. What is the 10th term of the sequence?A177, 147B59, 049C19, 683D6, 561E2, 187
单选题A routing policy has three terms and the first term of the policy does not contain a terminating action. What will become of the routes after they have been evaluated by the first term?（）AIn the absence of a terminating action, all routes are accepted.BThe route will be evaluated by the second term in the policy.CThe default action will be applied.DIn the absence of a termination action, all routes are rejected.
单选题In describing engine operation, what does the term “cycle” mean?（）AThe sequence of events that produce a power pulseBOne rotation of the engine crankshaftCOne stroke of a pistonDAll of the above
单选题al, a2, a3, a4, as, …., anIn the sequence of positive integers above, al = a2 = 1, a3 = 2, a4 = 3, and as = 5. If each term after the second is obtained by adding the two terms that come before it and if an = 55, what is the value of n?A12B10C9D8E5
多选题Which two statements are true about terms in a routing policy?（）AA routing policy cannot have more than one term.BIf a term does not contain a from statement, all routes match.CIf a term does not contain a from statement, the Junos OS will not commit.DA then statement is not mandatory in a term.
单选题The term （） refers to one complete sequence of operations required to produce power in an engine.Adiesel engineBstrokeCcycleDcompression ratio
单选题Which statement is correct about a Routing Policy term?（）AA term must contain a from statement.BA term acts like if and then statements.CThe most specific term has precedence.DTerms can be written in any order to achieve the same behavior.