1. Exponents and Order of Operations
COURSE 2 LESSON 3-1
Exponents and Order of Operations
Write using exponents.
a.  7 • 7 • 7 • 7
b. 2 • 2 • 2 • 2 • 2 • 2
= 74
7 is the base.
4 is the exponent.
2 is the base.
6 is the exponent.
= 26
3-1

2. Exponents and Order of Operations
COURSE 2 LESSON 3-1
Exponents and Order of Operations
A seaside village has an area of 1.32 km2. Find the value of 1.32.
Method 1
(1.3)2 = (1.3)(1.3)  Write as a product of repeated factors.
= Multiply.
Method 2
Use the key to square numbers.
The area of the village is 1.69 km2.
3-1