Powers and roots - Test Bite

You scored 10 out of 10

1 Which has an index of 2?

You said: 4²

Correct. 4² has an index of 2.

2Which can be described as 'two to the power of five'?

You said: 2⁵

Correct. 2⁵ can be described as 'two to the power of five'.

3 Which has a value of 32?

You said: 2⁵

Correct. 2⁵ = 32.

4 Which has the smallest value?

You said: 4²

Correct. 4² = 16 which is the smallest value.

5 Use your calculator to find the value of 3⁹.

You said: 19683

Correct. 3⁹ = 19683.

6 What is the square root of 36?

You said: 6

Correct. The square root of 36 is 6.

7 What is the cube root of 64?

You said: 4

Correct. The cube root of 64 is 4.

8 2⁵ x 2² is the same as

You said: 2⁷

Correct. 2⁵ x 2² is the same as 2⁷.

9 2⁸ divided by 2⁴ is the same as

You said: 2⁴

Correct. 2⁸ divided by 2⁴ is the same as 2⁴.

10 Which of the following has the largest value?

You said: 5¹⁰ / 5²

Correct. 5¹⁰ / 5² has the largest value.