A) 5³
B) I DON'T KNOW
C) 3⁵
D) 243
E) 15

A) I DON'T KNOW
B) y³
C) y • 3
D) 3^y
E) 3y

A) I DON'T KNOW
B) 49
C) 27
D) 72
E) 14

A) 8
B) I DON'T KNOW
C) 6
D) 24
E) 16

A) I DON'T KNOW
B) 36
C) 9
D) 18
E) 216

A) 1,000
B) I DON'T KNOW
C) 100,000
D) 10,000
E) 40

A) 100,000,000
B) 10,000,000
C) I DON'T KNOW
D) 1,000,000
E) 70

A) 8
B) 8²
C) I DON'T KNOW
D) 8 x 8
E) 32

A) 5 x 5
B) 5²
C) 5
D) I DON'T KNOW
E) 12.5

A) 8 and 10
B) 72 and 73
C) 8 and 9
D) 73 and 74
E) I DON'T KNOW

A) I DON'T KNOW
B) 4 and 7
C) 31 and 32
D) 30 and 31
E) 5 and 6

A) I DON'T KNOW
B) 6.928
C) 6.927
D) 7.014
E) 7.015

A) 9.501
B) 9.434
C) I DON'T KNOW
D) 9.502
E) 9.433

A) 42
B) 375
C) 25
D) 5
E) I DON'T KNOW

A) 9
B) 3
C) 81
D) I DON'T KNOW
E) 13.5

A) 3.6 x 10,000,000
B) I DON'T KNOW
C) 36 x 1,000,000
D) 3.6 x 10⁷
E) 36 x 10⁶

A) 809 x 10⁷
B) 80.9 x 10⁸
C) 8.09 x 10¹⁰
D) I DON'T KNOW
E) 80.9 x 100,000,000

A) 48
B) 12
C) 64
D) I DON'T KNOW
E) 7

A) I DON'T KNOW
B) 5,700,000
C) 570,000,000
D) 5.700006
E) 57,000,000

A) I DON'T KNOW
B) 7.340005
C) 7.345
D) 734,000
E) 73,400,000