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Rama09 [41]
2 years ago
6

27.9km to the nearest km

Mathematics
1 answer:
yuradex [85]2 years ago
8 0

Answer: It rounds to <u>28 km</u>

Explanation:

The units or ones digit is "7". The next digit over (9) is five or larger. This means we bump the 27 up to 28. Everything after the 7 is ignored.

So we could have something like 27.999871212512 and we still follow the same idea of focusing on the 27, bumping it up to 28, and everything else gets ignored.

The reason for this is because 27.9 is much closer to 28 than it is to 27. Draw out a number line to help see this. Split the region from 27 to 28 into 10 equal pieces. The 9th little piece represents 27 & 9/10 aka 27.9

Refer to the number line diagram below.

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The following are the ages (years) of 5 people in a room:
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The age of the person who entered the room is 15

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We need to find the age of person who entered the room.

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The age of 5 people are given while age of one person who enters the room is unknown.

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2 2/5 in kilometers in 3 3/4 minutes unit rate
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Answer:

Step-by-step explanation:

d = r * t     Divide both sides by t

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r = 3/5 km / minute

If the units are different than those given, please state them underneath my answer. I'll get to it as soon as I see your comment.

5 0
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