# Ex 13.3, 2 (b) - Chapter 13 Class 7 Exponents and Powers

Last updated at Sept. 7, 2021 by Teachoo

Last updated at Sept. 7, 2021 by Teachoo

Transcript

Ex 13.3, 2 Find the number from each of the following expanded forms: (b) 4 × 105 + 5 × 103 + 3 × 102 + 2 × 100 4 × 〖10〗^5 + 5 × 〖10〗^3 + 3 × 〖10〗^2 + 2 × 〖10〗^0 = 4 × 〖10〗^5 + 0 × 〖10〗^4 + 5 × 〖10〗^3 + 3 × 〖10〗^2 + 0 × 〖10〗^1 + 2 × 〖10〗^0 So number is 405302

Ex 13.3

Ex 13.3, 1
Important

Ex 13.3, 2 (a)

Ex 13.3, 2 (b) You are here

Ex 13.3, 2 (c)

Ex 13.3, 2 (d)

Ex 13.3, 3 (i) Important

Ex 13.3, 3 (ii)

Ex 13.3, 3 (iii)

Ex 13.3, 3 (iv)

Ex 13.3, 3 (v)

Ex 13.3, 3 (vi)

Ex 13.3, 4 (a)

Ex 13.3, 4 (b)

Ex 13.3, 4 (c)

Ex 13.3, 4 (d)

Ex 13.3, 4 (e)

Ex 13.3, 4 (f)

Ex 13.3, 4 (g)

Ex 13.3, 4 (h)

Ex 13.3, 4 (i)

Ex 13.3, 4 (j)

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