Sorry if it's wrong, I tried
The number 2852.1 is already rounded to the tenth since the tenth place is one place to the right of the decimal
Here is the set up:
Let m = mass of the block
m = (30•40•50)/(2.8)
Use your calculator to calculate the left side for m.
Answer:
D 45.6 Square centimetres
Step-by-step explanation:
8 cm time 5.7 cm