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Ex 13.2, 2 (ix) - Chapter 13 Class 7 Exponents and Powers
Last updated at Oct. 25, 2021 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
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 You are here
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: (ix) (2^8 ×〖 𝑎〗^5)/(4^3 ×〖 𝑎〗^3 ) (2^8 × 𝑎^5)/(4^3 × 𝑎^3 ) = (2^8 ×〖 𝑎〗^5)/((2 × 2)^3 ×〖 𝑎〗^3 ) = 2^8/(2^2 )3 × 𝑎^5/𝑎^3 Using, (am)n = 𝑎^(𝑚 × 𝑛) = 2^8/2^6 × 𝑎^5/𝑎^3 Using, 𝑎^𝑚/𝑎^𝑛 = 𝑎^(𝑚 − 𝑛) = 28 − 6 × a5 − 3 = 22 × a2 Using, am × bm = (a × b)m + n = (2 × a)2 = (2a)2 = (2 × a)2 = (2a)2
