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A rectangular room measures 3.8 meters in length and 4.9 meters in width. Jana multiples both numbers together. Which expression would be best for her to use to check the reason…

A rectangular room measures 3.8 meters in length and 4.9 meters in width. Jana multiples both numbers together. Which expression would be best for her to use to check the reason…
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A rectangular room measures 3.8 meters in length and 4.9 meters in width. Jana multiples both numbers together. Which expression would be best for her to use to check the reasonableness of her decimal multiplication?

A) 3x4
B)3x5
C)4x4
D)4x5

asked
User Ulmas
by
7.5k points

2 Answers

5 votes

Answer:

d 4 x 5

Explanation:

round

answered
User John LaFleur
by
8.6k points
5 votes
Round 3.8 to 4 and round 4.9 to 5. So you get 4 x 5, or D)
answered
User Tobriand
by
8.3k points
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