Question

How do you write and simplify `2.5 times 10^4+ 3.75times 10^5` in scientific notation?

Answer 1

`4.00 xx 10^5`

Explanation:

`3.75 xx 10^5` = 375000

`2.5 xx 10^4` = 25000 adding this gives

`400000 = 4.00 xx 10^5`