Maria said the 4 in 400,000 has a value of 400 is maria correct explain

No Maria is not correct.  

Step-by-step explanation:

Given : Maria said the 4 in 400,000 has a value of 400.

To find : Is maria correct? Explain.

Solution :

The place value system is

Hundred Th.   Ten Th.   Thousand     Hundred   Tens    Ones

        4               0                0                  0             0        0

The value of 4 in 400,000

i.e. The value of 4 in 400,000 is 4 hundred thousand not 4 hundred.

Therefore, No Maria is not correct.

area = length x width

length = 2 x width

32 = 2 x width x width

32 = 2 x width^2

36 = width ^2  

width = 6

length = 12

area is 32

perimeter = 2 x 12 + 2 x 6 = 24 + 12 = 36

step-by-step explanation: