Question

Which is the correct simplification of 5.4*10^12/1.2*10^3 written in scientific notation? (1 point)
4.5 × 107
4.5 × 109
45 × 106
6.48 × 107

Answer 1

When we divide numbers, we subtract exponents so:

5.4*10^12/(1.2*10^3) = (5.4)/(1.2) * 10^9 or 4.5*10^9

(I'm assuing you meant (5.4*10^12)/(1.2*10^3), not what you actually typed).

Answer 2

Second answer. 4.5x10^9

Answer 3

did you get it write