3 years ago

What is the greatest common factor for 21 and 40?

2 answers:

8 0

To get the Greates Common Factor (GCF) of 21 and 40 we need to factor each value first and then we choose all the copies of factors and multiply them:

21: 3 740: 222 5 GCF: The Greates Common Factor (GCF) is: 1

AlekseyPX3 years ago

4 0

The only common factor is 1. So that's the greatest.

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Trava [24]

Answer:

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Aleonysh [2.5K]

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3 years ago

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larisa86 [58]

Answer:

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Step-by-step explanation:

This is just a differences of squares:

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2 years ago

Read 2 more answers

The fifth highest mountain is Makalu, its height, rounded to the nearest hundred, is. 27,800 feet. What is the highest that this

erik [133]

We know that

 the highest that this mountain can be is 27849 feet

because this number (27849 feet) rounded to the nearest hundred is 27800 feet, however if the number were 27850 the number rounded to the nearest hundred would be 27900

hence

the answer is
27849 feet

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3 years ago