1 mole of any substance is approximately 6.022*10^23 atoms (Avogadro's number)
So
(4.90*10^31 atoms) * (1 mole / 6.022*10^23 atoms) = 8.14*10^7 moles
( 4 ÷ 9 ) • 1.25 = miles in an hour
5 ÷ 9 = miles per hour
5 / 9 miles per hour = .55 miles per hour
please give brainliest
Answer:
-3
Step-by-step explanation:
m= 3-(-18)=21 , -3-4=-7
m = 21 / -7 = 3 / -1 = -3
Answer:
$12,087,912.1
Step-by-step explanation:
is in scientific notation, to get this into normal number, we take the decimal point and move it "9" times to the right [whatever power of 10 we have, we move to right (if positive).] Then we fillup the rest with zeros.
So we have:

This is the revenue.
We do similar process for time:

This is the time , in minutes.
We want revenue PER minute, that means we divide the total revenue by total time, that would be:

The revenue earned per minute is $12,087,912.1
Answer: y=2x-3
Step-by-step explanation:
It will cross the y axis at -3 and the x axis at 3/2