Question

The diameter of a red blood cell is about 3x10^-4 inches to centimeters.

for this question I wrote 7.6x10^-4cm put it was mark incorrect and i dont know why

its about conversions, but the question is the following, The diameter of a red blood cell, about 3x10-^-4 inches to centimeters?

Answer 1

Answer:

Your answer was correct! (up to the tenths place)

Explanation:

Hi! I think that your answer was correct, since we know the relation between cm and in is:

1 in = 2.54 cm

Therefore

3 in = 3*2.54 cm = 7.62 cm

So,

3x10^-4 in = 7.62x10^-4 cm

Hope you get your mark corrected!