Calculate the perimeter of the figure. Round your answer to two decimal digits
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It’s easy. Look at the THIRD digit to the right of the decimal place. If it is 0 to 4, then the second digit stays the same. If it is 5 to 9, then round the second digit up one. Ignore everything to the right of the third digit, the third is all that matters. Here are some examples:
4.005 → 4.01
4.001 → 4.00
4.995 → 5.00
4.99434343432434342 → 4.99
4.99599999999999 → 5.00
4.99499999999999 → 4.99
4.9900000000001 → 4.99
4.9944444444449 → 4.99
4.9950000000001 → 5.00
4.895 → 4.90
4.905 → 4.91
How do you round two decimal places?
What is 1.025 rounded to two decimal places?
How do you round to 2 decimal places when the answer to a question has only 2 decimals - Eg: Round 23.47 to two decimal places?
What's the best way to remember how to round
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