# Ex 12.2, 1 (v) - 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, 1 Express the following numbers in standard form. (v) 31860000000 31860000000 = 3186 × 〖10〗^7 = (3.186 × 103) × 〖10〗^7 = 3.186 × (〖10〗^3×〖10〗^7) = 3.186 × 〖10〗^(3 + 7) = 3.186 × 〖𝟏𝟎〗^𝟏𝟎 (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) You are here

Ex 12.2, 2 (i) Important

Ex 12.2, 2 (ii)

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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