# Ex 12.2, 2 (ii) - Chapter 12 Class 8 Exponents and Powers

Last updated at Sept. 9, 2021 by Teachoo

Last updated at Sept. 9, 2021 by Teachoo

Transcript

Ex 12.2, 2 Express the following numbers in usual form. (ii) 4.5 × 〖10〗^4 4.5 × 〖10〗^4 = 45/10 × 〖10〗^4 = 45 × 〖10〗^4/10 = 45 × 〖10〗^(4 − 1) = 45 × 〖10〗^3 = 45000 (Using 𝑎^𝑚/𝑎^𝑛 =𝑎^(𝑚 − 𝑛))

Ex 12.2

Ex 12.2, 1 (i)
Important

Ex 12.2, 1 (ii)

Ex 12.2, 1 (iii)

Ex 12.2, 1 (iv)

Ex 12.2, 1 (v)

Ex 12.2, 2 (i) Important

Ex 12.2, 2 (ii) You are here

Ex 12.2, 2 (iii)

Ex 12.2, 2 (iv)

Ex 12.2, 2 (v)

Ex 12.2, 2 (vi)

Ex 12.2, 3 (i) Important

Ex 12.2, 3 (ii)

Ex 12.2, 3 (iii)

Ex 12.2, 3 (iv)

Ex 12.2, 3 (v)

Ex 12.2, 4

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