Idk what it means, sorry and good luck
Answer:
Rounded to the nearest ones: 30000
Rounded to the nearest tenths: 30000.5
Rounded to the nearest hundredths: 30000.49
Rounded to the nearest thousandths: 30000.490
Rounded to the nearest ten-thousandths: 30000.4898
X2 - 16, is the answer. The first one.
x^2 - 16 = (x)^2 - 4^2, difference of two squares :)
I plugged it in to a truncated square pyramid calculator and got v=76
the formula for this shape is V=1/3(A squared+AB+B squared)H.