Question

What is 8.4 x 10^12/4.2 x 10^6

Answer 1

2 ×
`10^(6)`

Explanation:

Using the rule of exponents

`(a^(m) )/(a^(n) )` ⇔
`a^((m-n))`

Split the fraction into a product, that is

=
`(8.4)/(4.2)` ×
`(10^(12) )/(10^(6) )`

= 2 ×
`10^((12-6))`

= 2 ×
`10^(6)`