Answer:

Step-by-step explanation:
Divide both sides by 

Simplify:
; 
Answer:
6.73 X 10 to the sixth power.
1.33 X 10 to the fifth power.
9.77 X 10 to the twenty-second power.
Step-by-step explanation:
I would start at 2000 because of 400/.2 is 2000 idk sorry
Answer:
2
Step-by-step explanation:
The base B represents the number you multiply and the exponent "x" tells you how many times you multiply the base, and you write it as "B^ x." For example, 8^3 is 8X8X8=512 where "8" is the base, "3" is the exponent and the whole expression is the power.
Answer:
m - 7 = -13 + m
Step-by-step explanation: