Answer:
You would need 6 1/4 cups of sugar.
For number 13 x=70 and y=115 hope this helped
Do the exponents first. 10 to the -4 is 1/10000 or 0.0001 and 10^ -5 is 0.00001. You end up with (1.7*0.0001)(5*0.00001) which is 0.00017*0.00005 which is 0.0000000085 or 0.085*10^-8
Multiplying a negative number and another negative number makes the product positive.
So (-2.1)*(-1.4) = 2.94
