Answer:
c
Step-by-step explanation:
D.
Because it is the value when charms = 0
It's should be 5 cause I don't know
Basically what you do is (the ^ arrow meaning exponent)
You take 3.7 + 4.45 x 10^20
Then 8.15 x 10^20, remove the decimal of 8.15 = 815 x 10^-2 x 10^20
815 x 10^18 = <span>815000000000000000000</span>