Question

Pic Below Its An Essay Will Medal And Fan for Best Answer!

Answer 1

@phi

Answer 2

For part a) divide the first number by the 2nd number

Answer 3

i already got to the fraction

Answer 4

nvm

Answer 5

then you do the two parts:
3.9/2.45
and
the 10^33 / 10^5 <-- for this part you do 33-5 = 28 as the new exponent

Answer 6

you get 1.5918e28
but I think we round to just 2 decimals
1.6e28

Answer 7

can you do part B?

Answer 8

ya

Answer 9

a mm (millimeter) is 1/1000 of a meter
in other words we need 1000 of them to make a meter (about 3 feet long)
10^4 is 10,000 so 10^4 mm is 10 meters
that is quite large compared to a DVD , let along the "tracks" on a DVD