Answer:
true, refer to picture for more understanding :)
Answer:
Sorry im not good at math
The area of a trapezpid is 1/2h×(b1+b2)
4/10^2 = 0.04
which is equal to:
4x10^-2
As there are two digits behind the decimal point up to( and including the 4) thus the 10^-2
And as the digit is a 4 you multiply 10^-2 by 4
Its 2.8, just multiply?<span />