# Exponents and Powers (IMO- Mathematics Olympiad (SOF) Class 8): Questions 37 - 47 of 61

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## Question number: 37

» Exponents and Powers

MCQ▾

### Question

The value of , is________.

### Choices

Choice (4) Response

a.

3

b.

5

c.

4

d.

7

## Question number: 38

» Exponents and Powers

MCQ▾

### Question

If, then the value of a is

### Choices

Choice (4) Response

a.

3

b.

1

c.

2

d.

4

## Question number: 39

» Exponents and Powers

MCQ▾

### Question

Number of prime factors in is

### Choices

Choice (4) Response

a.

20

b.

28

c.

23

d.

22

## Question number: 40

» Exponents and Powers

MCQ▾

### Question

The value of when is________.

### Choices

Choice (4) Response

a.

80

b.

81

c.

85

d.

84

## Question number: 41

» Exponents and Powers

MCQ▾

### Question

Number of prime factors in is

### Choices

Choice (4) Response

a.

73

b.

60

c.

66

d.

70

## Question number: 42

» Exponents and Powers

MCQ▾

### Question

If, then the value of is________.

### Choices

Choice (4) Response

a.

2

b.

4

c.

1

d.

3

## Question number: 43

» Exponents and Powers

MCQ▾

### Question

When simplified, is equal to________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 44

» Exponents and Powers

MCQ▾

### Question

Number of prime factors in is

### Choices

Choice (4) Response

a.

4

b.

9

c.

6

d.

8

## Question number: 45

» Exponents and Powers

MCQ▾

### Question

The value of is________.

### Choices

Choice (4) Response

a.

675

b.

690

c.

630

d.

655

## Question number: 46

» Exponents and Powers

MCQ▾

### Question

If, then the value of is________.

### Choices

Choice (4) Response

a.

3

b.

2

c.

1

d.

4

## Question number: 47

» Exponents and Powers

MCQ▾

Simplify:

### Choices

Choice (4) Response

a.

0

b.

1

c.

d.

f Page