Answer:
3.72 × 10 to the power of 4
Step-by-step explanation:
firstly convert 2/5 to percentage form, which is 40%
then find 10% of earths distance from the sun so divide 93000000 by 10 to get 9300000
multiply that by 4 to get 37200000
standard form = 3.72 × 10 to the power of 7
Its B
93000000 times 2/5 is 37200000 aka 3.72 times 10 to the 7th power
r = 57
Hope This Helps!
b
combining like terms because you can't do any of the other options
