UPDATES

E.S.2
- II.d) (-2)*4
- V.h) 4(-t + 2) or -4(t - 2)
E.S.4
- VII.a) $250
E.S.5
- IV.d) 7(2x + 4y - 3)
- IV.f) 2(3x - 2)
- IV.g) 9(y - 1)
- IV.h) 6(x - 6)
E.S.8
- I.j) -1/2
- II.o) dg/ce
E.S.10
- VI.f) 9000
E.S.12
- VI.e) -35.85239
E.S.13
- II.d) 25/17 = 1.470
E.S.16
- IV. Last table entries - all the BASES should be the reciprocals of the numbers given. (i.e. replace 2 with 1/2, 4 with 1/4, and 8 with 1/8).
E.S.19
- II.e) b's exponent should be 7.