Evaluate the expression without using a calculator.
71 • 9
A.
549
B.
639
C.
719
D.
720

Question

Asked 11/1/2013 7:31:02 PM

Updated 2/27/2015 9:08:14 AM

1 Answer/Comment

This answer has been confirmed as correct and helpful.

Confirmed by debnjerry [2/27/2015 9:05:52 AM]

Expert answered|alfred123|Points 4563|

Question

Asked 11/1/2013 7:31:02 PM

Updated 2/27/2015 9:08:14 AM

1 Answer/Comment

This answer has been confirmed as correct and helpful.

Confirmed by debnjerry [2/27/2015 9:05:52 AM]

Rating

3

7(5 + 9) = 7 * x + 7 * 9

7(14) = 7x + 63

98 = 7x + 63

-7x = 63 - 98

-7x = -35

x = -35 / -7

x = 5

7(14) = 7x + 63

98 = 7x + 63

-7x = 63 - 98

-7x = -35

x = -35 / -7

x = 5

Added 2/27/2015 9:08:14 AM

This answer has been confirmed as correct and helpful.

27,105,747

questions answered

There are no comments.