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Ex 13.2, 2 (ii) - Chapter 13 Class 7 Exponents and Powers
Last updated at March 22, 2023 by Teachoo
Ex 13.2
Ex 13.2, 1 (i)
Ex 13.2, 1 (ii) Important
Ex 13.2, 1 (iii)
Ex 13.2, 1 (iv) Important
Ex 13.2, 1 (v) Important
Ex 13.2, 1 (vi)
Ex 13.2, 1 (vii) Important
Ex 13.2, 1 (viii)
Ex 13.2, 1 (ix) Important
Ex 13.2, 1 (x)
Ex 13.2, 2 (i)
Ex 13.2, 2 (ii) Important You are here
Ex 13.2, 2 (iii)
Ex 13.2, 2 (iv) Important
Ex 13.2, 2 (v)
Ex 13.2, 2 (vi) Important
Ex 13.2, 2 (vii)
Ex 13.2, 2 (viii) Important
Ex 13.2, 2 (ix) Important
Ex 13.2, 2 (x)
Ex 13.2, 2 (xi) Important
Ex 13.2, 2 (xii)
Ex 13.2, 3 (i) Important
Ex 13.2, 3 (ii)
Ex 13.2, 3 (iii) Important
Ex 13.2, 3 (iv) Important
Ex 13.2, 4 (i)
Ex 13.2, 4 (ii) Important
Ex 13.2, 4 (iii) Important
Ex 13.2, 4 (iv)
Ex 13.2, 5 (i) Important
Ex 13.2, 5 (ii)
Ex 13.2, 5 (iii) Important
Transcript
Ex 13.2, 2 Simplify and express each of the following in exponential form: (ii) ((5^2 )^3×5^4 )÷5^7 ((52)3 × 54) ÷ 57 = ((5^2 )^3× 54)/5^7 Using, (am)n = 𝑎^(𝑚 − 𝑛) = (5^(2 × 3) × 5^4)/5^7 = (5^6 × 5^4)/5^7 Using am × an = am + n = 5^(6 + 4)/5^7 = 5^10/5^7 Using, 𝑎^𝑚/𝑎^𝑛 = 𝑎^(𝑚 − 𝑛) = 510 − 7 = 53
