Carlos is using the distributive property to evaluate the expression 14(49) by using friendlier numbers. his work is shown below.

carlos’s work

14(49)

step 1

14(40 + 9)

step 2

14(40) + 9

step 3

560 + 9

step 4

569

what was the first error that carlos made?

step 1 should have been 14(7 + 7).

step 2 should have been 14(40) + 14(9).

step 3 should have been 23(40).

step 4 should have been 5,040.