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JESUS AND MARY SCHOOL AND COLLEGECLASS-8 ( MATHS ) CHAPTER NAME – EXPONENTS ( POWERS )WORKSHEET -1Q.1- Choose the correct options:- i) What is the base of the exponent 69? a) 6 b) 2 c) 9 d) None of these ii) Find the value of (93)0. a) 0 b) 729 c) 1 d) None of these iii) Find the value of (52)2. a) 125 b) 625 c) 25 d) 0 iv) 13+1-3=? What is the solution ? a) 2 b) 3 c) -3 d) None of these Q.2-Simplify the following- i) 23×33 ii) a-13÷a23 iii) 23÷253 Q.3- Simplify : 6-1+6-2÷6-1-60×6-1 Q.4- Find the value of 53×57÷(54)2Q.5- Evaluate - i) 5-4 ii) (-7)-2 iii) (27)3 iv) (3 )0Q.6- Simplify : a2×a3×a-5.Q.7- Find the value of 2-5×292-2÷3-2×323-4.Q.8- Evaluate : (32)3+230+35×134.Q.9- Find the value of aa+bb+ab+ba if a=2,b=-3Q.10- Simplify : (-2)3×(-2)73×46Q.11- Evaluate : a-3b-4a-2b-3 .Note- Please do this assignment in your old copies. It will be checked when the school re-opens.*************** ................
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