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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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