1) (powers) 1^6, is it: a) 1 b) 4 c) 7 d) (140 2) (equations) if 2a+4/2=12 a) 24 b) 6 c) 3 d) 5 3) (equasions) if 17c = 729 then -17(c-1) = ? calculator allowed a) -712 b) -528 c) -1534 d) 712 4) (equations) if 14c = 391 then -14(c+1) = ? calculator allowed a) 526 b) -258 c) -405 d) 473 5) (equations) if 17c = 551 then -17(c+1) = ? calculator allowed a) -568 b) -546 c) -246 d) 526 6) (equations) if 13c = 551 then -13(c+1) = ? calculator allowed a) -389 b) -564 c) -462 d) 549 7) (equations) if 16c = 247 then -16(c-1) = ? calculator allowed a) 261 b) 524 c) -231 d) 725 8) (mean) find the mean of: 30, 10, 5, 35, 33 a) 22.6 b) 25.4 c) 16.4 d) 23.1 9) (mean) find the mean of: 28, 1, 15, 4, 31 a) 16.4 b) 15.8 c) 17.6 d) 13.5 10) (mean) find the mean of: 14, 8, 12, 20, 27 a) 16.2 b) 14.6 c) 17.9 d) 15.3 11) (adding whole numbers) 492+141 a) 296 b) 829 c) 516 d) 633 12) (adding whole numbers) 390+370 a) 653 b) 760 c) 737 d) 853 13) (adding whole numbers) 496+244 a) 826 b) 963 c) 740 d) 661 14) (simplifying fractions) simplify fully 5/15 a) 2/3 b) 4/10 c) 10/100 d) 1/3 15) (simplifying fractions) simplify fully 28/48 a) 1/23 b) 5/26 c) 7/12 d) 6/13 16) (simplifying fractions) simplify fully 24/56 a) 3/7 b) 1/2 c) 1/62 d) 1/5 17) (powers) 92 = 81 work out 9002 a) 817236 b) 810000 c) 893156 d) 625143 18) (powers) 112 = 121 work out 0.112 a) 0.0982 b) 0.0853 c) 0.0121 d) 0.0872 19) (powers) 73 = 343 work out 702 a) 152433 b) 872136 c) 652143 d) 343000 20) (doubling) double 9.79 a) 72.98 b) 19.58 c) 21.39 d) 12.84

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