Index Laws and Standard Form

Question 1

Express the number 0.0000732 in standard form.

Answer 1

7.32 × 10^-5

Question 2

Simplify:

(6^4 × 6^2) ÷ 6^3

Give your answer in index form.

Answer 2

6^3

Question 3

Calculate:

(4.2 × 10^6) × (3 × 10^3)

Give your answer in standard form.

Answer 3

1.26 × 10^10

Question 4

Divide:

(6.4 × 10^7) ÷ (8 × 10^3)

Give your answer in standard form.

Answer 4

8.0 × 10^3