Answer:
B, you just multiply the exponents, also 3^2=9
Step-by-step explanation:
I think the answer is C...
Answer:
It's 28 3/4
Step-by-step explanation:
(210+200+190+180+300+150+90+x)/8=200
(1320+x)/8=200 /*8
1320 +x=1600
X=1600-1320
X= 280
Ok so divide 39 by 4 which is 9.75 then mulitiply that by 3 to get your answer of $29.25