Question

subtract 3.2×10^-6 from 4.7×10^-4 with due regard to significant figures​

Answer 1

HEYA!!

$= 3.2 \times {10}^{ - 6} - 4.7 \times {10}^{ - 4}$

$= - 1.5 \times {10}^{ - 10}$

Answer 2

Answer:

a = 4.7*10^-4

b = 3.2*10^-6

a - b = 0.00047 - 0.0000032 = 0.0004668

= 4.7 * 10^-4