Question

PLZZ HELP! WILL MARK BRAINLIEST!!

Answer 1

Answer:

Step-by-step explanation:

Neptune is about 2,700,000,000 miles from Earth.

Mercury is about 135,000,000 miles from Earth.

A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10. The power is the number of decimal places you move.

1) 2,700,000,000 = 2.7 x $10^{9}$

      135,000,000  = 1.35 x $10^{8}$

2)

        $\frac{Neptune}{Mercury} = \frac{2.7*10^{9} }{1.35*10^{8}}$

You can see there is only one extra 0 on top, the rest will cancel so you have:

$\frac{27}{1.35} = 20$

It's 20x farther to Neptune from Earth, than it is to Mercury from Earth.