Question

multiply (4ab) (5bc) ​

Answer 1

Answer:

4ab×5bc=20acb

your answer is 20acb

Step-by-step explanation:

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Answer 2

4ab × 5bc = 20ab²c

Tips:

When a and a are multiplied, we have

• a × a = a²

When three a's are multiplied, we have

• a × a × a = a³

and so on

Step-by-step explanation:

Now, 4ab × 5bc

= 4 × a × b × 5 × b × c

• Hint: rearrange the terms by grouping numbers and letters separately

= (4 × 5) × (a × b × b × c)

= 20 × (a × b² × c)

= 20 × ab²c

= 20ab²c

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