What is 243.56 rounded to the nearest tenth?

5 is in the tenths place. You would look to the number on the right of it, and if it is bigger than the number 5 you would round up. The number is 6 so you round up a number.

the answer is 243.6

Note: 5 is always the in-between number for rounding. 

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb