Question

Annabelle and Navene are multiplying (4275)(4372).

Annabelle's Work
(4275)(4372) = 42 + 375 + 2 = 4577
Navene's Work
(4275)(4372) = 42⋅375⋅2 = 46710
Is either of them correct? Explain your reasoning. (5 points)

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Answer 1

None of them are correct

according to distributive property of multiplication -

a×(b+c) = ab+ ac

So applying this on the given numbers

step 2)  (4275)×(4372) = (4275)× ( 4000+ 372)

= 4275×4000 + 4275×372

= 1,71,00,000 + 15,90,300

=1,86,90,300

second method

Since the order in which they should be completed is (42 ×75) × (43 × 72). Then they must convert 42 and 75 to non-exponent numbers, multiply the results (for 42 and 75, into a non-existent number so that each of their responses times the other), and repeat for 43 and 72. The last step is to multiply.

Answer 2

Answer:

Step-by-step explanation:

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