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#### Online Quiz (WorksheetABCD)

Questions Per Quiz = 2 4 6 8 10

### MEAP Preparation - Grade 7 Mathematics2.38 Exponents - I

 1. x.x is written as x2, which means x is multiplied twice. This is read as 'second power of x' or 'x square'. 2. 6x5 means 6.x.x.x.x.x, read as "Six 'x' power 5". 3. (x/y)2 means x/y.x/y. Read as "x by y whole square". Directions: Write the following expression using exponents. Also write at least ten examples of your own.
 Q 1: 3.a.a.a.b.b = _____ ?3.a2.b23.a3.b23.a3.2b Q 2: a/b.a/b.a/b.a/b.a/b.a/b = _____ ?6(a/b)(a/b)5(a/b)6 Q 3: n.n.n.n.n.n.............m times = ___ ?nmnm+1n5 Q 4: (x+2y).(x+2y).(x+2y).(p-q).(p-q) = _____ ?(x+2y)2.(p-q)23(x+2y).2(p-q)(x+2y)3.(p-q)2 Q 5: (2x.2x)/(y.y.y.y.y) = _____ ?4x2/y5y5/4x24x2/y4 Q 6: a/b.a/b.a/b = _____ ?(a/b)23(a/b)(a/b)3 Q 7: y.y.y = ___ ?y33yy2 Q 8: (x+y).(x+y).(x+y) = _____ ?3(x+y)(x+y)2(x+y)3 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!