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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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