Question

Work out (4×10to the power of6) ×(2×10to the power of7) Give your answer in standard form.

Answer 1

80,000,000,000,000 or 80 billion

Explanation:

10 to the power of 6 is 1000000

1000000x 4 is 4000000

4000000 X 2 x 10 to the power of 7

4000000x (2 x10000000)

4000000 x 20000000

Is 8e+13

the number is 80,000,000,000,000