Examen de Potencias PSU

Examen de Potencias PSU

12th Grade

12 Qs

quiz-placeholder

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Examen de Potencias PSU

Examen de Potencias PSU

Assessment

Quiz

Mathematics

12th Grade

Hard

Created by

Iván Trecán

Used 1+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 8×232=8\times2^{3^2}=  

 838^3  

 292^9  

96

 2152^{15}  

 464^6  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 15304515=\frac{15^{30}}{45^{15}}=  

 (13)15\left(\frac{1}{3}\right)^{15}  

 (13)2\left(\frac{1}{3}\right)^2  

1

 3153^{15}  

 5155^{15}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 2332+62=-2^3-3^2+6^2=  

0

 2×622\times6^2  

 646^4  

1

23

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si 5n+5n+5n=755^n+5^n+5^n=75 , entonces n=

0

1

2

3

10

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

El valor de la expresión  \frac{9^{\left(a+1\right)}+3^{\left(2a-2\right)}}{3^{\left(a+2\right)}+3^{\left(a-2\right)}} , si  2a+2(a+1)=242^a+2^{\left(a+1\right)}=24  , es:

3

9

27

81

243

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 0<a<10<a<1  

Sea a un número racional, tal que , ¿Cuál de las siguientes desigualdades es verdadera?

 a<a2a<a^2  

 a3<a2a^3<a^2  

 a3<a5a^3<a^5  

 a(1)<a5a^{\left(-1\right)}<a^5  

 (a)2<a5\left(-a\right)^2<a^5  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 1(112(1))(1)=1-\left(\frac{1}{1-2^{\left(-1\right)}}\right)^{\left(-1\right)}=  

3

2

 43\frac{4}{3}  

 12\frac{1}{2}  

 1-1  

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