Question

Which expression is the best estimate of 15 x 3??

A 2X4
B1 X 4
C 243
D 1 X3
and pls explain !!

Answer 1

Well, Il just say the closest one.

Explanation:

243 way off.

1x3 = 3 No.

1x4=4

2x4=8.

2x4 is the closest to 15x3.