Expression Exponential form Base Exponent/Index/Power Read as 5 × 5 × 5 × 5 7 × 7 8 × 8 × 8 - 1 × - 1 × - 1 2 3 × 2 3 - 2 × - 2 × - 2 a × a × a . . . . n times

The exponential form of 5 × 5 × 5 × 5 = 5 4 We know that an exponential form of a number is a short representation for multiplying the same number by itself many times. The number which is repeatedly multiplied by itself is known as the base. Here the base of an exponential number 5 4 is 5 . The number of times a number is multiplied repeatedly is power. Here the power of an exponential number is 4 . The exponential number is read as 5 raised to the power of 4 . The exponential form of 7 × 7 is 7 2 . The base of an exponential number is 7 and the power of an exponential number is 2 . The exponential number is read as 7 raised to the power of 2 . The exponential form of 8 × 8 × 8 is 8 3 . The base of an exponential number is 8 and the power of an exponential number is 3 . The exponential number is read as 8 raised to the power of 3 . The exponential form of - 1 × - 1 × - 1 is - 1 3 . The base of an exponential number is - 1 and the power of an exponent is 3 . The exponential number - 1 3 is read as - 1 raised to the power of 3 . The exponential form of 2 3 × 2 3 is 2 3 2 . The base of an exponent is 2 3 and the power is 2 . The exponential number is read as 2 3 raised to the power of 2 . The exponential form of - 2 × - 2 × - 2 is - 2 3 . The base of an exponent is - 2 and the power is 3 . The exponential number is read as - 2 raised to the power of 3 . The exponential form of a × a × a . . . n times is a n . The base of an exponent is a and the power is n . The exponential number is read as a raised to the power of n Expression Exponential form Base Exponent/Index/Power Read as 5 × 5 × 5 × 5 5 4 5 4 5 raised to the power 4 7 × 7 7 2 7 2 7 raised to the power 2 8 × 8 × 8 8 3 8 3 8 raised to the power 3 - 1 × - 1 × - 1 - 1 3 - 1 3 - 1 raised to the power 3 2 3 × 2 3 2 3 2 2 3 2 2 3 raised to the power 2 - 2 × - 2 × - 2 - 2 3 - 2 3 - 2 raised to the power 3 a × a × a . . . . n times a n a n a raised to the power n

Identify the base and the exponent in 2 3 3 .

Given, 2 3 3 We know that an exponential form of a number is a short representation for multiplying the same number by itself many times. The number which is repeatedly multiplied by itself is known as the base. The number of times a number is multiplied repeatedly is known as power or exponent. Example: In a b y ⇒ a b is the base and y is the exponent. In 2 3 3 ⇒ 2 3 is the base and 3 is the exponent. Hence, the base is 2 3 and the exponent is 3 .

E M B I B E

Next Maths 7 Book B>Chapter 6 - Exponents and Powers>Jump start>Q 2

EASY

7th CBSE

IMPORTANT

Earn 100

Express $216$ as the repeated multiplication of a number.

Important Questions on Exponents and Powers

EASY

7th CBSE

IMPORTANT

Next Maths 7 Book B>Chapter 6 - Exponents and Powers>Jump start>Q 2

Express

343

as the repeated multiplication of a number.

MEDIUM

7th CBSE

IMPORTANT

Next Maths 7 Book B>Chapter 6 - Exponents and Powers>Exercise

Expression	Exponential form	Base	Exponent/Index/Power	Read as
$5 \times 5 \times 5 \times 5$
$7 \times 7$
$8 \times 8 \times 8$
$(- 1) \times (- 1) \times (- 1)$
$\frac{2}{3} \times \frac{2}{3}$
$(- 2) \times (- 2) \times (- 2)$
$a \times a \times a . . . . n$ times