Math 017 Materials With Exercises

49C 3255 2(L+W)62mc75a) a b exponentiation b)c)8 x exponentiation d)5( a b) addition8( x) opposite of xa be)csubtraction f) a bcdivisiong) 4 7ymultiplication h) 3 a bdivision8 a) Multiply x by 4 and then subtract y. b) Add a and 3 and then divide the result by x.c) Add x and 3 and then multiply the result by y. d) Divide s by t and then add 2 to the result.e) Square x and then multiply by 3. f) Multiply x by 3 and then square the result.g) Add a and c and then raise the result to the 4 th power. h) Raise c to the 4 th power and then add the result to a.9 a) parentheses are needed b) c−3−a c) 3a+x d) parentheses are needed e ) parentheses are neededf) c d g) parentheses are needed8h) yx i) parentheses are needed j) parentheses are neededa10 a) 2 b) 2 c) 2 d) Yes, because we performed the same operations. e) −211 a) 235 11b) 4 33 5 c) cannot be performed3 3d) ( 3) 9e) 3 2 93 3f) 04 3g) 3 3 2712 a) 2 4 -16 b) ( 2) 16 c) ( 4) 16 d) 4 2 1613 a) (−(−1))+( −1)=0 b) (−(−1)) −( −1)=2 c) (−(−1))( − ( −1))=1 d) (−1) 2 =1 e) − (−1) 2 =−114 a)1 2b) 121121212215 a) 0.39 b) −5 c) −1 d) −27316 b) c) and f) We would have 0 in the denominator in these cases.17 a) −19 b) 60 c) −34 d) −35 e) −5052c) 1 2 1 d) 2 418 a) 1 48 10 9b) 1 4 10 1c) 4 1 372 8 5 8 5 5 8 202d) 1 4 27 8 e) 4 1 1 cannot be performed .f) 4 3 8 5 40 5 8 8 5 10419 a) 1 22 b) 2 4 16 c)2 1 2 4 16 381 3 81 3 d) 3 3 1 81 1 2 33 320 a) −1 b) 64 c)1 1 d)9 921 a) − 2.2 b) −2.122 a) −0.1 b) 0.1 c) −0.223 a) −2 b) −2e) 1 f) −11 3 13 4324 a) −5 b) 0 c) 1.3 d) 1 e) 2 f)2 2 15 1525 a) 4 b) 7 c) 0.5 d) 7 e) 3 f) 17 2 514 3 326 a) 10 b) −50 c) −0.05 435 1 2 1 2 41 8 e)61241 2 3 3 1 2 3 3 49118Answers to Exercises