Question

calculate the following round off to the correct number of significant figures and express your result in scientific notation. A). (200.9)(569.3) B.)(0.000000513)(62.3x10^7)

Answer 1

A) 1.144×10^5

B) 3.20×10^2

Step-by-step explanation:

A) Both of the numbers are in 4 significant figures, so we write answer in 4 significant figures.

B)Both of the numbers are in 3 significant figures, so we write answer in 3 significant figures.