167,281
The answer is 410. Rounding "to the nearest ten" means turning a number into the nearest number that can be divided by ten. This is the same as the nearest number that ends in a zero. 409 is nearer to 410 than to 400 or 420 or any other number ending in a zero.
818 is not a perfect square, so the number that gives you 818 when squared will not be an integer.818 = 2 * 409 (409 is prime)282 = 784x2 = 818292 = 841x = √(818)x ≈ 28.6007
0
409 to the nearest hundred is 400
409 rounded to the nearest ten is 410
Rounded to the nearest thousand, 409 is approximately equal to 0.
400
turn the 409 into 400
0 (zero) is 409 rounded to 1000's.
409 is a prime number.
Only the number 1. 409 is a prime number.
It is: 1 times 409 = 409 which is a prime number