Question

Which is the best estimate of (13)(126)?
a. -18
b. -9
c. 9
d. 18

Answer 1

The best estimate of (13)(126) is 1300.

Step-by-step explanation:

To estimate (13)(126), we can round each number to the nearest ten and then multiply. Round 13 to 10 and round 126 to 130. Now multiply 10 by 130:

10 x 130 = 1300

So, the best estimate of (13)(126) is 1300.