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Test: Exponents And Powers- 1 - Class 8 MCQ


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10 Questions MCQ Test Mathematics (Maths) Class 8 - Test: Exponents And Powers- 1

Test: Exponents And Powers- 1 for Class 8 2025 is part of Mathematics (Maths) Class 8 preparation. The Test: Exponents And Powers- 1 questions and answers have been prepared according to the Class 8 exam syllabus.The Test: Exponents And Powers- 1 MCQs are made for Class 8 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Exponents And Powers- 1 below.
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Test: Exponents And Powers- 1 - Question 1

(−2)5÷ (−2)= ?

Detailed Solution for Test: Exponents And Powers- 1 - Question 1

Test: Exponents And Powers- 1 - Question 2

Write the expression using exponents: 61 × 61 × 61 × 61 × 61

Detailed Solution for Test: Exponents And Powers- 1 - Question 2

Answers is  61^5 because 61 is multiplied 5 times

Test: Exponents And Powers- 1 - Question 3

Find the value of x, if 32 = 2x.

Detailed Solution for Test: Exponents And Powers- 1 - Question 3

Factorisation of 32 is 2 x 2 x 2 x 2 x 2
32 = 25
X = 5

Test: Exponents And Powers- 1 - Question 4

A group of students were given an assignment to collect different types of leaves. The group collected 32 types of leaves. Represent the number of leaves collected in the form of exponential expression with its base being indivisible.

Detailed Solution for Test: Exponents And Powers- 1 - Question 4

32 = 2 x 2 x 2 x 2 x 2 =  25

Therfore, the correct answer is A.

Test: Exponents And Powers- 1 - Question 5

Find the value of the expression a2 for a = 10.

Detailed Solution for Test: Exponents And Powers- 1 - Question 5

Multiply 10 twice i.e 10 × 10 because they asked 'a' to the power 2 . so multiply by twice, the solution is 100 .

Test: Exponents And Powers- 1 - Question 6

Simplify: 1000+200+50 is equal to

Detailed Solution for Test: Exponents And Powers- 1 - Question 6

By exponent law we know:

a0 = 1

1000 + 200 + 50 = 1+1+1 = 3

Test: Exponents And Powers- 1 - Question 7

 22 x 23 x 24 is equal to:

Detailed Solution for Test: Exponents And Powers- 1 - Question 7

By laws of exponents:

am x an = am+n

22 x 23 x 24 = 22+3+4 = 29

Test: Exponents And Powers- 1 - Question 8

Simplify and write in exponential form: (−2)−3 × (−2)− 4

Detailed Solution for Test: Exponents And Powers- 1 - Question 8

(-2)-3*(-2)-4 = (-2)(-3)+(-4)  = (-2)(-7)

Test: Exponents And Powers- 1 - Question 9

What is the value of 42 x 4-2

Detailed Solution for Test: Exponents And Powers- 1 - Question 9

Explanation: 42 x 4-2

By law of exponents:

= 42+(-2) = 42-2 = 40 = 1

Test: Exponents And Powers- 1 - Question 10

0.09 × 1010 is equal to:

Detailed Solution for Test: Exponents And Powers- 1 - Question 10

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