Well, isn't that a happy little question! To round 64.4 to the nearest tenth of a degree, you just need to look at the digit in the hundredths place. Since 4 is less than 5, we keep the tenths place as it is, making it 64.4. Just like that, you've created a perfectly rounded number that's ready to bring joy to your calculations!
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You leave it exactly as it is. Do nothing.
64.4, rounded to the nearest tenth is 64.4.
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To find two numbers that multiply to 644, we can factorize 644 into its prime factors: 2 x 2 x 7 x 23. From this, we can see that 2 x 322 equals 644, so the two numbers are 2 and 322.
1.087
16
Exactly 72 times