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### Grade 7 - Mathematics3.12 Laws of Exponents Review - II

 Q 1: Simplify, (7/15)3.(25/7)2 = _____?25/2735/2727/3535/25 Q 2: If 11x = 1331, find x value?10365 Q 3: Simplify, [(5/6)x]2.6x2 = _____?(6/25) x4(25/6) x4(25/6) x2(25/6) x4 Q 4: Simplify, (2x2).[(1/2)x]3 = _____?(1/2)x4(1/2)x5(1/4)x5(1/2)x3 Q 5: Find the number to be multiplied (16)-1 so as to get 32-1 as the product?1/221/34 Q 6: Find the number to be multiplied (-6)-1 so as to get 15-1 as the product?-2/51/3-2/35/2 Q 7: If 7x = 25, find the value of 7x+2.12251005225625 Q 8: If 8x+1 = 64, find x value?1032 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!

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