# Ex 12.2, 1 (iv) - 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. (iv) 0.00000000837 0.00000000837 = 837/100000000000 = 837/〖10〗^11 = 837 × 〖10〗^(−11) = (8.37 × 102) × 〖10〗^(−11) = 8.37 × (〖10〗^2×〖10〗^(−11)) = 8.37 × 〖10〗^(2 + (−11)) = 8.37 × 〖10〗^(2 − 11) = 8.37 × 〖𝟏𝟎〗^(−𝟗) (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) You are here

Ex 12.2, 1 (v)

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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