Page 1 - Home Assignment -Introduction-Ch-13 Exponents ane powers
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SAI INTERNATIONAL SCHOOL


                                                       CLASS –VII

               MATHEMATICS

               Ch- Exponents and Powers


               Home Assignment 1

               Question 1.Find the value of:
                   6
               (i)2
               (ii)9 3

               2- Express in exponential form
               (v) 2×2×a×a 2×2×a×a
               (vi) a×a×a×c×c×c×c×d

               3-Express each of the following numbers using exponential notation:
               (i) 512


               (ii) 343










               Solution

               1-(i) 2 = 2 x 2 x 2 x 2 x 2 x 2 = 64
                      6
               (ii) 9 = 9 x 9 x 9 = 729
                    3
                                                4
               2- (v) 2×2×a×a 2×2×a×a = 2 ×a        4
                                           3
                                               4
               (vi) a×a×a×c×c×c×c×d=a ×c ×d

               3- (i) 512


               = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 = 2
                                                     9
               (ii) 343

               = 7 x 7 x 7 = 7
                               3
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