SOLUTION: I am to solve and rewrite in a scientific notation please explain how to do this (2.3x10^4)(7x10^20)=

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I am to solve and rewrite in a scientific notation please explain how to do this (2.3x10^4)(7x10^20)=      Log On


   



Question 427060: I am to solve and rewrite in a scientific notation
please explain how to do this
(2.3x10^4)(7x10^20)=

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
(2.3x10^4)(7x10^20)
Multiply 2.3*7 = 16.1
Multiply 10^4 * 10^20 = 10^24
--> 16.1*10^24
Move the decimal from 16.1 to 1.61 and add one to the exponent
--> 1.61*10^25