She spent $7.44 because 3.28 + 1.27 + 0.56 + 2.33 = 7.44
0.20 would be the answer.
The number places on a number go as follows starting at 0. and going to the right
ones, tenths, hundredth
This means that 0.00 is the hundredth place (the bolded 0). Since you round a 9 up one, this makes the 1 in the tenths place go to a 2 and the hundredth go to a 0
Answer:12
Step-by-step explanation:
R = {10; 15; 20}
S = {20; 25}
R U S = {10;15; 20; 25;