Answer:
140cm cubed
Step-by-step explanation:
5 x 7 x 4 = 140
it is unreasonable because 4.23 is bigger than 4.135! Look at the 10s place - 1 is smaller than 2, and everything afterwards is irrelevant. There could be as many zeros or any combination of numbers you want, but as long as that tens place is larger (2 vs 1), than it's not reasonable to say 4.2 is smaller!!
30 units^3 (just count the blocks inside) :)
Answer:
58.6.....................