bobisslow bobisslow

11-09-2022
Mathematics

Answered

Given (-4.23b+13) - (5.47b-12)
Step 1 -4.23b + 13+ (-5.47b) + 12
Step 2 -4.23b+-5.47b+13+12
Step 3 (-4.23b+-5.47b) + (13+12)
Step 4 9.7b+25
Part A: Identify and explain the first step where Margie made an error. (2 points)
Part B: Explain how to correctly write the expression in fewest terms by correcting the error in Part A. Show all work. (2 points)

Answer :

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