M = 4.
The reason why is because you first have to add 0.05 and 18 together, and than multiply it by the closes number to 81.20 which is 4, and also it cannot be over 81.20.
first off, let's convert the mixed fractions to improper, and then do the sum.
Answer:
1000 rounded to the nearest ten is:
1000
Step-by-step explanation:
A) We round the number up to the nearest ten if the last digit in the number is 5, 6, 7, 8, or 9.
B) We round the number down to the nearest ten if the last digit in the number is 1, 2, 3, or 4.
C) If the last digit is 0, then we do not have to do any rounding, because it is already to the ten.