Four to the second power is just 4^2 which is equal to 16 (4*4 = 16)
Four the the eight power is just 4^8 which is equal to 65536 (4*4*4*4*4*4*4*4 = 65536)
A. $74.55
because if their are 4 pairs you would do 35x4=140 the half of 140 would be 70. Then they would have to pay tax witch is 6.5% of 70 and that is 4.55 so paying for the shoes and including tax would be 74.55
Step-by-step explanation:
Hmm I'm not sure but (no) I think
6 pounds = $16.50
1 pound = $16.50 ÷ 6
=$2.75
$16.50 = 6 pounds
$1 = 6 ÷ $16.50 = 4/11 pounds (0.36363636......)
15 days because u set up a proportion : 4/3 = x/20 cross multiply then solve like an rquqtion