Answer: 45/15 as a decimal is 3.21428571 and rounded to the nearest tenth is 3.2
Step-by-step explanation: To convert 45/15 to a decimal, divide 45 by 15.
45 / 15 = 3.21428571
To round 3.21428571 to the nearest tenth, find the number in the tenth place (2) and look one place to the right for the rounding digit 1. Round up if the number is greater or equal to 5, but round down if its less than 5.
In 3.21428571, 5 is greater than 2.
Hence, our answers are 3.2 and 3.21428571.