Question

A newborn baby has about 26,000,000,000 cells. An adult has about 4.94 x 13 cells. How many times as many cells does an adult have than a newborn? Write your answer in scientific notation.

Answer 1

an adult has 4.94 x 10^13 cells = 49,400,000,000,000

49,400,000,000,000 - 26,000,000,000 = 49,374,000,000,000

scientific notation form : 4.9374 x 10^13