Question

Can I have help with this question

Answer 1

a) 45,000,000,000,000

b) 3,500

Explanation:

Where there is an exponent and the base is 10, the exponent is how many zeros to add to the end of the number.

a) (5x10,000)x(9x100,000,000)

50,000x900,000,000

45,000,000,000,000

b)(7x1,000,000)/(2x1,000)

7,000,000/2,000

3,500

Answer 2

a) 450,000,000,000 (450 Billion)

b) 3500

Explanation:

a) (5 x 9) · 10^(3+7)

45 x 10^10

b) (7 ÷ 2) · 10^5-2

3.5 x 10^3