Question

How do you evaluate `(9.5\times 10^ { 9} ) - ( 3.2\times 10^ { 9} )`?

Answer 1

`6.3xx10^9` or `6,300,000,000`

Explanation:

`(9.5xx10^9)-(3.2xx10^9)`

`color(white)("XXX")=(9.5-3.2)xx10^9`

`color(white)("XXX")=6.3xx10^9 = 6,300,000,000`