Lesson 2
The Arithmetic of Powers
Multiplication by addition, and division by subtraction
Page 77
You must have added the base of
30 to the exponent of
32 to get
35. But all you have to do here is to apply the rule
(bm)(bn) = b(m + n).
In this case
b = 3,
m = 2, and
n = 0. So you have
(32)(30) = 3(2 + 0).
Now,
2 + 0 doesn’t equal 5, does it?
Return to Page 83 and try again.
