Answer:

Step-by-step explanation:
3.8 is 2x 3.8/2 is 1.9
Answer:

Step-by-step explanation:




Answer:
a. mass is to kilogram.
5.815 equals to 5815\1000
Answer:
23.274
Step-by-step explanation:
Here, rounding to the nearest thousandth means rounding to the nearest 0.001.
Hence, due to the digit being rounded having a number larger than 5 after it (0.2736), it is rounded up.
Hope this helped!