Free Printable Grade 7 / second term / quiz 1 / powers and exponents

1.

\left(\frac{2}{3}\right)^4=

............

In the simplest form

a)

$\frac{8}{12}$

b)

$\frac{8}{27}$

c)

$\frac{16}{81}$

d)

$\frac{4}{6}$

2.

\left(\frac{-3}{5}\right)^3\times\left(\frac{-25}{27}\right)=

..........

In the simplest form

a)

$\frac{-1}{5}$

b)

$\frac{3}{5}$

c)

$\frac{-3}{5}$

d)

$\frac{1}{5}$

3.

$\lceil-x\rceil^8$

a)

1

b)

x⁸

c)

- x⁸

4.

Simplify (-9)²

a)

-9

b)

- 81

c)

81

5.

( - 1 )⁹⁹ + ( - 1 )¹⁰⁰ =

a)

1

b)

2

c)

0

6.

Additive inverse of ( -1 )²is ..........

a)

0

b)

-1

c)

1

7.

Additive inverse of ( -1 )³is ..........

a)

0

b)

-1

c)

1

8.

Additive inverse of ( - 1 )²is ..........

a)

0

b)

-1

c)

1

9.

Multiplicative inverse of ( -2 )²is ..........

a)

0

b)

4

c)

$\frac{1}{4}$

10.

( 2 )² =.........

a)

4

b)

$\frac{1}{4}$

c)

-1

Grade 7 / second term / quiz 1 / powers and exponents

Total questions: 10

Worksheet time: 50mins

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