78 is the answer BEST OF LUCK
Answer:
3
4
5
9
2
Step-by-step explanation:
It would take 2 hours. To complete the whole lawn you would need:

To make a whole, so to get that we multiply:

So we use the same number required for the whole lawn, and multiply it times the hours
Answer:

Step-by-step explanation:
Exponents are basically just saying how many times the number is multiplied by itself.
In the expression
, we can see that 10 is being multiplied by itself 5 times.
So the exponent becomes 5, and the base is 10.
.
Hope this helped!
8:12,8to12 i m sure u can find the 3rd one