3). Evaluate these expressions for
d = 5
e = - 3
f = 9
a).
d f =
b).
e + d =
c).
e + f =
d).
3 d - f =
e).
5 d f =
4). Evaluate these expressions for:
a = 1/2
b = 1/8
c = 1/3
a).
a + b =
______
b).
a c =
______
c).
8 b =
______
d).
a b =
______
e).
a b c =
______
f).
3 c + 2 a =
______
g).
a + 4 b =