Question

Can some one please help me i need it or i will fail the class please...

Answer 1

1)
x^-3y^-12 / x^15y^-15
answer is D. last choice

2)
answer is <B'C'D' (third choice)

4)
equivalent 3/9 = 0.33333(3 repeat)
answer is B. second choice

5)
1.7 x 3.5 = 5.95
10^-13 x 10^25 = 10^12
so 
= 5.95 x10^12

answer is D. last choice

Answer 2

 the frist page D next page is C the thrid page is B and fouth page is D