It seems your question got cut off. Could you please provide the complete question?
The "exponent" tells you how many times the same number, that is multiplied by itself, appears in the multiplication. In this case, just count how many times the number "1" appears.
1
20 times
As many times as it happens.
118 times
19 times
1 goes into 52, 52 times.
Ten times 10/1=10
150 times ...
1 time
There are many number that will give you 70 with multiplying them. You can do 1 times 70, 10 times 7, 7 times 1 or 70 times 1.
1 1 and it sunk