Chris estimated the product of 37 and 86 by multiplying 40x90. Tell how you know if this is greater than or less than the actual product.

Greater than the actual product because both numbers where rounded up to the closest tenth.

Step-by-step explanation:

37 x 86 - original

40 x 90 - rounded

37 < 40 - greater than

86 < 90 - greater than

Checking - -->

37 x 86 = 3182

40 x 90 = 3600

3182 < 3600