Question

What is the sum of 5.3 x 10^5 and 3.8 x 10^4 in scientific notation?

Answer 1

The required expression is
`5.68* 10^5`

Explanation:

Given : Expression
`5.3* 10^5` and
`3.8* 10^4`

To find : What is the sum of the given expression?

Solution :

Step 1 - Write the expression

`5.3* 10^5` and
`3.8* 10^4`

Step 2 - Add both expression

`=5.3* 10^5+3.8* 10^4`

Step 3 - Taking
`10^4` common

`=10^4(5.3* 10+3.8)`

`=10^4(53+3.8)`

Step 4 - Add the parenthesis terms

`=10^4* 56.8`

or In scientific notation
`5.68* 10^5`

Therefore, The required expression is
`5.68* 10^5`