Indices II - Normal

Question 1: Simplify:

a a a

A

a^{2}

B

a^{3}

C

3 a

D

- 3 a

Question 2: Simplify:

{(3 a)}^{2}

A

3 a^{3}

B

6 a^{2}

C

9 a^{2}

D

3 a^{2}

Question 3: Simplify:

(a + b) (a + b) (a + b)

A

3 (a + b)

B

a^{3} + b^{3}

C

{(a + b)}^{3}

D

3 a + 3 b

Question 4: Calculate:

{(- 5)}^{2} \times 3

A

75

B

- 15

C

- 75

D

15

Question 5: Calculate:

{(- \frac{2}{5})}^{3}

A

\frac{6}{15}

B

- \frac{8}{125}

C

- \frac{6}{15}

D

\frac{8}{125}

Question 6: Calculate:

{(\frac{2}{3})}^{4} \times 81

A

16

B

\frac{1}{16}

C

54

D

\frac{1}{54}

Question 7: Calculate:

{(\frac{7}{8})}^{0} \times \frac{3}{8}

A

\frac{21}{64}

B

0

C

1

D

\frac{3}{8}

Question 8: Find value of

6 x^{2}

, if

x = 7

A

42

B

294

C

84

D

48

Question 9: Calculate:

{(- 8)}^{5} \times 0 \times {(\frac{1}{2})}^{2}

A

1

B

4

C

- 1

D

0

Question 10: Simplify expression:

a b^{2} \times b^{- 3} \times a^{- 2}

A

a b

B

- \frac{1}{a b}

C

\frac{1}{a b}

D

- a b

Test: Indices II - Normal

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