Page 56 - TB_6B
P. 56
Follow the rule to multiply non-zero integers.
When multiplying three or more integers, the sign of the product
should be positive( ) if the number of negative integers is an even
number. The sign of the product should be negative( ) if the
number of negative integers is an odd number.
2 . Multiply. 295 Commutative Property
=9 2 5 Associative Property
a. 5 9 4 =9 2 5
= 9 10
b. 6 5 2 = 90
c. 4 3 25
d. 5 3 3 2 e. 3 4 5 6
3 . Evaluate each expression with exponents.
a. 2 3 b . 2 3 42 3 An exponent shows the
=2 2 2 number of times the base
=8
is used as a factor.
3 3= 3 3 3
c . 52 33 d . 3 3 42 19
21. Positive Signs and Negative Signs 45
When multiplying three or more integers, the sign of the product
should be positive( ) if the number of negative integers is an even
number. The sign of the product should be negative( ) if the
number of negative integers is an odd number.
2 . Multiply. 295 Commutative Property
=9 2 5 Associative Property
a. 5 9 4 =9 2 5
= 9 10
b. 6 5 2 = 90
c. 4 3 25
d. 5 3 3 2 e. 3 4 5 6
3 . Evaluate each expression with exponents.
a. 2 3 b . 2 3 42 3 An exponent shows the
=2 2 2 number of times the base
=8
is used as a factor.
3 3= 3 3 3
c . 52 33 d . 3 3 42 19
21. Positive Signs and Negative Signs 45
