David made an error when determining the product of (–2.5)(–8.3).

step 1: (–2.5)(–8.3) = (–8.3)(–2.5)
step 2: = (–8.3)(–2) + (–8.3)(–0.5)
step 3: = (–16.6) + (–4.15)
step 4: = –20.75

in which step did david make is error?

a. step 1
b. step 2
c. step 3
d. step 4

Step 3 is wrong as (-8.3)(-0.5) should be positive 4.15.

Step-by-step explanation:

The given expression is :

Step 1:

Step 2: =

Step 3: =

Step 4: = -20.75

Step 3 is wrong as (-8.3)(-0.5) should be positive 4.15.

The answer should be positive 20.75 because when we multiply minus and minus, we get a positive answer.

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