Question

Without multiplying, determine the sign of the product (356,864)(−194,758).

The sign of the product is positive because a positive multiplied by a negative is a positive.
The sign of the product is negative because a positive multiplied by a negative is a negative.
The sign of the product is negative because the second number is negative.
The sign of the product is positive because the first number is positive.

Answer 1

Pauline spent $7.50 every day for 3 days. Which expression is the best choice to help her determine the total amount of money she spent?

(7.50)(−3) = −22.50; she spent $22.50
(−7.50)(3) = −22.50; she spent $22.50
(−7.50)(−3) = 22.50; she spent $22.50
(7.50)(3) = 22.50; she spent $22.50

Answer 2

@chrisk123

Answer 3

b for the first

Answer 4

b