# Exponents and Powers (IMO- Mathematics Olympiad Class 8): Questions 43 - 50 of 61

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1029 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

## 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.

## Question number: 48

» Exponents and Powers

MCQ▾

### Question

If and, then equals

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 49

» Exponents and Powers

MCQ▾

### Question

When simplified, is equal to________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 50

» Exponents and Powers

MCQ▾

### Question

Given that and, then the value of is (approximately) ________.

### Choices

Choice (4) Response

a.

0.87

b.

1.21

c.

1.00

d.

0.5

f Page