# How do you add these two numbers in scientific notation #51.023 x 10^-4 +29.981 x 10^1#?

##### 1 Answer

Apr 1, 2015

Convert to standard, add, round to appropriate accuracy, change to scientific notation.

Note that the second number is correct only to the hundredths digit (2 right of the decimal), so the sun should also be expressed to the nearest hundredth.

Now write in scientific notation: