Exponents And Square Roots - No Calc Question Preview (ID: 58545)


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square root of √16
a) 2
b) 8
c) -2
d) 4

square root of √225
a) 15
b) 25
c) 5
d) 10

Simplify. Express using exponents: 9^3 · 9^5
a) 9^15
b) 9^8
c) 18^8
d) 18^15

Evaluate k^5 · m, if k = 2 and m = 5.
a) 160
b) 60
c) 32
d) 37

Write 0. 5 as a fraction.
a) 5/10
b) 5/100
c) 5/1000
d) 5/1

Write 1/5 as a decimal
a) 2.0
b) 0.2
c) 4.0
d) .04

Write the expression using exponents: x · x · x · x · y · y
a) x^3 · y^2
b) x^4 · y^3
c) x^4 · y^2
d) x· y

Write the expression using exponents: 4 · p · 4 · p
a) 4 ^ 5 · p^5
b) 4 ^ 4 · p^4
c) 4 ^ 3 · p^3
d) 4 ^ 2 · p^2

square root of √49/81
a) 6/9
b) 7/10
c) 7/9
d) 6/10

cubed root of √2,744
a) 13
b) 14
c) 15
d) 16

cubed root of √1331
a) 9
b) 10
c) 11
d) 12

Which number is closest to √46?
a) 6.7
b) 7.4
c) 5.3
d) 7.5

Which two integers is √71 between?
a) 8 and 9
b) 7 and 8
c) 6 and 7
d) 10 and 11

Estimate to the nearest integer √99
a) 9
b) 10
c) 11
d) 12

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