... exponentsproblems like this:~m3 4 !22m5 4 51m5 4 ~m3 4 !251m5 4 m3 4 m3 4 51m5 1 3 1 3 4 51m11 4 5 m211 4 The exponent is 211 4 , which is choice (A). If this makes ... girls in the 4 thgrade, then there are 14 boys in 4 thgrade(32 2 18 5 14) . The table says there are 16 boys in 3rdgrade, so thereare a total of 30 (16 1 14 5 30) in the 3rdand 4 thgrade. ... list starts 6, 12, 18, 24 You might stop here and realize that the members of set Z are allmultiples of 6. Even if you don’t, you’ll continue with: 30, 36, 42 , and 48 . 54 is the next item, but...