Which of the following is less than 6.5 × 10^–5

A. 1.4 × 10^–3
B. 2.5 × 10^–4
C. 7.8 × 10^–5
D. 4.6 × 10^–6
I think it's either A or B, and I'm leaning more towards A.

3 answers

6.5*10^-5/ 4.6*10^-6 = 14.1
The numerator is 14 times the denominator. So the answer is D.
Okay, thank you!
Is this right?