Answer:
the final answer of 4 should be 24 7/12.
Step-by-step explanation:
Its an acute angle, im in 6th grade, and your in high school so..... im sorry if i get it wrong, but hey! i tried! lol
The answer is .85
$17/$20
=.85
30.007
300/10=30
7/1000=.007
30+.007=30.007
3x3x3x3 = 81
x.x.x.x = x^4
2x2x2x2 = 16
B. 81x^4/16
