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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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