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CBSE Class 8 Maths Worksheet

Exponents and Powers

Find the product of monomial. $2h , -9h^{2}y^{2}$

Add: p ( p – q), q ( q – r) and r ( r – p)

In exponential form 157,600,000,000 m is given by _

A) 1576 X 10^8 B) 15.76 X 10^9 C) 1576 X 10^6 D) 1576 X 10^5

State True/False: $(-25)^{0} = 1$

A) True B) False

Simplify the expressions and evaluate h (h – 3) + 2 for h = 1,

State True/False: The value of (2^0+9^0)^0 is 1.

A) true B) false

Find the product of monomial. $4p^{3}*(-3p)$

Size of a bacteria is 0.0000003 m. Express this in the standard form

The standard form of 5400000000 is ________

10.

Find the product of $a, – a^{2}, a^{3}$

11.

For a non zero integer Y, (Y^4)^-3 is equal to

A) Y^12 B) Y^-12 C) Y^64 D) Y^-64

12.

Find the product: $p , 6p^{2}-7p + 5$

13.

Which of the following values are equal?: 1^4; 2^0; 0^9; 4^1

14.

State True/False: The value of $(1/3)^{-2}$ is 9

A) True B) False

15.

Simplify the expressions and evaluate 3y (2y – 7) – 3 (y – 4) – 63 for y = –2

16.

What is the value of (3^0+5^0+2^0) ?

17.

State True/False: $(-5)^{0} = -1$

A) True B) False

18.

Multiply the binomials: $(2pq + 3q^{2}) and (3pq-2q^{2}))$

19.

The standard form of 0.000054 is ______

20.

Add: $4y (3y^{2} + 5y – 7) and 2 (y^{3} – 4y^{2} + 5)$

CBSE Class 8 Maths Worksheet

Exponents and Powers

Answers

$-18h^{3}y^{2}$

$p^{2}+q^{2}+r^{2}-(pq+qr+rp)$

Option A

$-12*p^{4}$

$(3)*10^{-7}$

54*10^8

10.

$– a^{6}$

11.

Option B

12.

$6p^{3}-7p^{2} + 5p$

13.

1^4; 2^0

14.

Option A

15.

16.

17.

Option B

18.

$6p^{2}q^{2}+ 5pq^{3}-6q^{4}$

19.

54^(-4)

20.

$12y^{3} + 20y^{2} – 28y$

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