To find the mean, you add up all the numbers and divide that total by the number of numbers you have. With only one number, the mean will always be that number.
641
you just wrote the answer.............................641
30% of 641= 30% * 641= 0.3 * 641= 192.3
It means that 641 is a prime number because it has only two factors which are itself and one.
641 millionths is rational because it can be written as a ratio of two integers, 641:1000000. This means that 641 millionths is equal to 641/1000000, which is a rational number.
641 * 46 = 29486.
641 millionths is 641 divided by one miilion. That is, 641/1,000,000
48 percent of 641 is 307.68
0.0624
640
91.5714
71.2222