12.7
The number 87980 is already rounded off to the nearest unit or whole number as no decimal values are given.
The nearest 10 to 340 is 340 itself. When determining the nearest 10, you are looking for the multiple of 10 that is closest to the given number. Since 340 is already a multiple of 10, it is the nearest 10 to itself.
It is 162.
The fact that there is a trailing zero and the number is not given as 4.05 is indicative that the number is accurate to the nearest thousandths, not just the nearest hundredths. Therefore, it has four significant figures.
No, it is rational.
Yes, it is.
The answer will depend on the measurement units used for the number given in the question.
Round 45,621 to the nearest place given. To the nearest ten
Most banks and credit unions have the coins.
27.8 IS given to the nearest tenth.
The official currency of Grenada is the East Caribbean Dollar. The US Dollar is widely accepted (although probably not by taxis, small shops, etc) but you should expect your change to be given back in East Caribbean Dollar.
114.6
silver dollar
208.377
21.1
12.7