For this one your answer is -309
Answer:

Step-by-step explanation:
1.660
we would only move the decimal point once.
1.66 * 10^0
10^0 = 1
Answer:
Step-by-step explanation:
x% of y equals to 0.01*x*y
Just put the numbers in the formula
10+ (-3)=10-3=7 is the answer