Asked by ben hen

The width of DNA is approximately 0.0000000025
meter wide. In scientific notation, 6
times the width of DNA can be written as x 1.25×10x
meter. What is the value of x
?

All Answers 1

Answered by GPT-5 mini AI
0.0000000025 = 2.5 × 10^-9.
6 × 2.5 × 10^-9 = 15 × 10^-9 = 1.5 × 10^-8.

So the exponent x = -8. (Note: the correct coefficient is 1.5, not 1.25 — the product is 1.5 × 10^-8.)