Question

Perform the following operation and express the answer in scientific notation. 3.8×10^-5 ÷ 8.1×10^3​

Answer 1

`4.7*10^(-9)`

Explanation:

`(3.8*10^(-5) )/(8.1*10^(3) ) =(380*10^(-7) )/(81*10^(2) ) =(380)/(81)*(10^(-7) )/(10^(2) ) =4.7*10^(-9)`