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Ex 13.3, 4 (h) - Chapter 13 Class 7 Exponents and Powers
Last updated at March 30, 2023 by Teachoo
Ex 13.3
Ex 13.3, 1
Ex 13.3, 2 (a)
Ex 13.3, 2 (b) Important
Ex 13.3, 2 (c)
Ex 13.3, 2 (d) Important
Ex 13.3, 3 (i)
Ex 13.3, 3 (ii) Important
Ex 13.3, 3 (iii) Important
Ex 13.3, 3 (iv)
Ex 13.3, 3 (v) Important
Ex 13.3, 3 (vi)
Ex 13.3, 4 (a) Important
Ex 13.3, 4 (b)
Ex 13.3, 4 (c) Important
Ex 13.3, 4 (d)
Ex 13.3, 4 (e) Important
Ex 13.3, 4 (f)
Ex 13.3, 4 (g) Important
Ex 13.3, 4 (h) Important You are here
Ex 13.3, 4 (i)
Ex 13.3, 4 (j) Important
Transcript
Ex 13.3, 4 Express the number appearing in the following statements in standard form. (h) 60,230,000,000,000,000,000,000 molecules are contained in a drop of water weighing 1.8 gm 60,230,000,000,000,000,000,000 = 6023 × 〖10〗^19 = (6.023 × 103) × 〖10〗^19 = 6.023 × 〖10〗^3 × 〖10〗^19 = 6.023 × 〖10〗^(3 + 19) = 6.023 × 〖10〗^22 Answer is 6.023 × 〖𝟏𝟎〗^𝟐𝟐 molecules (Using am × an = am + n)
