490
There are 491 tenths in 491. This is because one whole number is equivalent to 10 tenths. Therefore, to find the number of tenths in 491, you simply multiply 491 by 10, giving you 4910 tenths.
0.0143
400
$491
490
490
491-500
0.0143
Yes. 491 is prime.
Itself and 1 because 491 is a prime number
400
Factors of 491491 is a prime number. Its only factors are 1 and 491.
491
Oh, dude, rounding 491 to the nearest ten is like a walk in the park. You just look at the digit in the tens place, which is 9, and since it's greater than 5, you bump it up to the next ten. So, 491 rounded to the nearest ten is 490. Easy peasy!
+491 is a prime number because it has only two factors which are itself and one.
25 cm