Notes
Powers of Ten
*Positive exponents are used to represent numbers greater than or equal to 1
*Negative exponents are used to represent numbers between _____ and _____
Pattern for Powers of Ten:
1. Positive exponents move the decimal to the _________ (make the number bigger)
*we are _____________________ by ten
2. Negative exponents move the decimal to the ________ (make the number smaller)
*we are _____________________ by ten
Guided Practice:
Express 10-4 as a decimal and a fraction.
fraction.
Express 10-6 as a decimal and a
Independent Practice:
1) Express each of the following as a decimal and a fraction.
a) 10-2
b) 10-7
c) 10-3
d) 10-1
e) 10-5
f) 10-8
Exponential
Form
Decimal Form
Fraction Form
Fractional Exponent Form
0.01
1
100
1
102
100
10-1
10-2
10-3
10-4
10-5
10-6
10-7
10-8
10-9