I think it might be 7 don't know what answers you may have but its a guess
Answer:
1000
Step-by-step explanation:
10milimeter=1 centimeter
100 centimeters=1 meter
10x100=1000
Let me know if im right :)
Answer:
the 4 is the base and the 5 is the exponent
7^2 is the exponential form of 7*7
10^2
5^4