72 just divide by 4 which ever one doesn't have a decimal I think.
81 = 9 x 9 = 9^2
√81 = 9
Answer
81
Answer:
1. .002
2. .01
3. .10
4. .2
The change she receive = 20-6.43= 13.57$
A set of natural numbers less than 10
is
<u>N{1,2,3,4,5,6,7,8,9}</u>
