Negative numbers have no real square roots. In terms of complex numbers, the square roots of 43 are +j6.5574 (rounded) and -j6.5574 (rounded)
40
Round each of the numbers then add the rounded numbers. 60+40=100.
Ten integers can be rounded off to 280. An infinite number of numbers can be rounded off to 280.
999 of them.
u just make the number shorter e.g. 1.7 is rounded off to 2
Since numbers equal to or greater than 5 are rounded up, and numbers equal to or less than 4 are rounded down, the largest 4-digit number that can be rounded off to 3000 would be 3004.
15 to 24
35 to 44
245 to 254
25549
Infinitely many.