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Round 2.51 to 1 decimal place

1 Answer

4 votes

Answer:


\boldsymbol{2.5}

Explanation:

Hi student! Let me help you out on this question.

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\dag ROUNDING
\dag

When rounding numbers, it's important that you remember these two rules:

  1. If the digit you are asked to round is followed by a digit less than 5, you round down. An example is given below.


\boldsymbol{3.51=== > 3.5} (Rounded to 1 D.P.)

2. If the digit you are asked to round is followed by a digit

greater than or equal to 5, you round up. An example is given

below.


\boldsymbol{6.25=== > 6.3}


\boldsymbol{2.16=== > 2.2}

Now that we know these two rules, let's round the given number.


\boldsymbol{2.51=== > ?}

The digit we are asked to round to (5) is followed by a number less than 5.


\sf{\therefore,\:we\:round\:down.}

Thus,


\boldsymbol{2.51=== > \\ot? \:2.5}. Which is our answer.

Hope that this helped you out! Have a nice day ahead.

Best Wishes!

◈◈-Greetings!-◆◆

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