Law of Exponents

IMPORTANT

Law of Exponents: Overview

This topic contains concepts like Laws of Exponents, Law of Multiplying Powers with the Same Base, Law of Dividing Powers with the Same Base and Law of Taking Power of a Power.

Important Questions on Law of Exponents

HARD
IMPORTANT

Find the value of x in 183.5÷273.5×63.5=2x.

HARD
IMPORTANT

Find the value of x in 33.5×212×422.5÷22.5×73.5=21x.

MEDIUM
IMPORTANT

Which of the following is the same as $ \left({x}^{2}\times {x}^{2}\right)\times {y}^{8}$?

EASY
IMPORTANT

Which of these is equal to $ {6}^{4}\times {4}^{2}$?

MEDIUM
IMPORTANT

Which of the following is equivalent to $ {\left({5}^{3}\right)}^{2}$?

EASY
IMPORTANT

$ a$ and $ b$ are two non-zero numbers where $ \text{a}\ne b$.

Which of these is the same as $ {a}^{m}÷{b}^{n}$ ?

EASY
IMPORTANT

Which of the following is equivalent to $ {5}^{-2+3}$?

EASY
IMPORTANT

Which of these is the same as $ {\left({m}^{3}\right)}^{2}$ ?

EASY
IMPORTANT

Given $-2 y=5$

$ {y}^{2}=$  _____

(Note: A fraction, decimal or an integer is expected as the answer.)

EASY
IMPORTANT

Which of the following is an ODD number?

EASY
IMPORTANT

$ m$ and $ n$ are two natural numbers such that mn is an even number.

Which of the following is TRUE?

EASY
IMPORTANT

If $ x=5$, Which of these is equal to $ 3{x}^{2}$?

EASY
IMPORTANT

Let S = $ {\left(-1\right)}^{1}+{\left(-1\right)}^{2}+{\left(-1\right)}^{3}+{\left(-1\right)}^{4}+\dots +{\left(-1\right)}^{250}$

Which of the following is the value of S?

EASY
IMPORTANT

$ n$ is natural number such that $ {\left(-1\right)}^{n}=-1$.

Which of these is TRUE about $ n$?

EASY
IMPORTANT

Which of the following is equal to $ {\left(-1\right)}^{51}$?

EASY
IMPORTANT

Evaluate:

$ {\left(-3\right)}^{0}+{\left(-3\right)}^{1}+{\left(-3\right)}^{2}=$_____

EASY
IMPORTANT

Evaluate:

23×-23÷42= _____

(Note: A fraction or an integer form is expected)

 

 

EASY
IMPORTANT

Which of the following is the expression is the expanded form of $ -{3}^{4}$?

EASY
IMPORTANT

$ x$ is a positive integer such that, 12x<124.

Which of these is TRUE?

EASY
IMPORTANT

Given, 2x>2y, where $ x$ and $ y$ integers.

Which of these is TRUE?