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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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