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INTERNATIONAL INDIAN SCHOOL, RIYADH, WORK SHEET – SA2, VII – MATHEMATICS – EXPONENTS & POWERS, , 1. Find the value of each of the following, a. 132, b. 53, c. 24, d. 112, e. ( 3)3, f., ( 1)6, 2. Simplify, a. 3 x 102, b. 25 X 53, c. 0 X 104, d., e., Express each of the following in exponential form, a., b., c., d., 4. Express each of the following numbers as a product of powers of their, prime factors., a. 36, b. 675, c. 392, d.864, e. 450, f.1800, 5. Using laws of exponents , simplify, (i), (ii), (iii), (iv), (v), (vi), , 6. Simplify and express each of the following in exponential form :, (i), , (ii), , (iv), , (v), , 1, , IIS-Riyadh Worksheets/VII/SA2/2012, , (iii), , (vi)
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(vii), , (viiii), , 7. Write the numbers in expanded forms :, a) 20068, , 8. Find the number :, , (b) 423719, , (c) 680071, , (d)5004132, , (a), (b), (c), , 9. Express in the standard form :, (a) 3,18,65,00,000, (b) 42634.7, , (b) 786.3, (d) 4786. 3460, , 10. Write the numbers in the usual form :, (a) 4.83, (b) 3.64, , 2, , IIS-Riyadh Worksheets/VII/SA2/2012, , (c) 5,00,00,000, (c) 7.3
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Answers :, 1) (a) 169 (b) 125 (c) 16 (d) 121 (e), 2) (a) 3, , 4) (a), (e) 2, 5) (i), (vi), , 6) (i), , (vii), , 3, , 100 = 300 (b) 4, (ii), (ii), , (b), (f), (iii), , (c), , (iv, (iii), , (viii), , IIS-Riyadh Worksheets/VII/SA2/2012, , (f) +1, , (d), , (e), , (v) 4, (iv), , (v), , (vi)
