Lesson 1-10 for exercise sets. Chapter 1 21Practice & ActivitiesSimplify.
1.3(16) 60 12 2. 3. 4.5.Discuss and Write Why is it important to have rules for simplifying
an expression that contains more than one operation?( 20 10 )( 26 5 )
6( 2 4 )^3
23 43( 16 4 )5 • 8
23NETS11359•Sadlier(G7PIM09SB)BPrinting• 8207-7020-021 •sp4-28-08•EditXXXxx.xx.08•1stEvaluate the dividend.Compute within parentheses.Simplify the exponent.Multiply.This is the value of the dividend.Multiply to evaluate the divisor.This is the value of the divisor.(^2884) 72
288
4
288
4(1)
288
4(1)
9 ( 32 )
4(1)
32 ( 32 )
4(1)
32 ( 34 2 )
4(1)
32 ( 34 2 )
4(1)
32 ( 34 2 )
4(1)
Divide the dividend by the
divisor to find the value of
the expression.
1
Evaluate the dividend.
Simplify the exponent.
Multiply.
Divide.
This is the value of the divisor.
2
Compute within
parentheses.
16
8
16
8
16
4 (2) (6)
16
4 (2) (6)
48 3
4 (2) (6)
8 ( 6 ) 3
4 (2) (6)
23 ( 6 ) 3
4 (2) (6)
23 ( 30 24 ) 3
4 (2) (6)
23 ( 30 24 ) 3
4 (2) (6)
23 ( 30 24 ) 3
4 (2) (6)
To evaluate the divisor,
divide and then add.
This is the value of
the dividend.
Divide the dividend by
the divisor.
2
The caret key, , is used
to enter exponents.
You can use a calculator to check your work. Check the answer
from Example 1 above. You will need to enclose the divisor
within parentheses.Check: 72Press 3 2 34 2 4 132 ( 34 2 )
4 ( 1 )72?
A fraction bar is also a grouping symbol that indicates division.
Simplify the expression in the dividend and the divisor before dividing.Find the value of each expression.8207-7_020-021:Layout 2 6/4/08 1:40 PM Page 21