Answer: Part (a) 218.4 Part (b) 54.6
Step-by-step explanation: Part (a) you multiply all the numbers together, then you get 218.4, there is no need to round to the nearest tenth because the decimal is in tenths. (All you got to do is single digit multiplication and two digit multiplication :) Part (b) multiply 5.2 and 10.5, you get 54.6
You're welcome, hope this helps :)