# How do you multiply #37,000,000 * 7,100,000# and write the answer in scientific notation?

##### 1 Answer

Apr 2, 2015

First you write both numbers in scientific notation:

**7** places to the **left** to keep just one non-zero digit in front of it.

Multiply the numbers and add the

To normalise this we need to move the decimal point one to the left and so the power goes up by one. We also want to round to two significant digits, as that was what's in our original numbers: