I have a square piece of paper. 6 cm
6 cm
I fold square A in half to make rectangle B.
I fold rectangle B in half to make rectangle C.
a) What is the perimeter of rectangle B?
b)
What is the perimeter of rectangle C?

Rounding decimals is very similar to rounding other numbers. if the hundredths and thousandths places of a decimal is forty-nine or less, they are dropped and the tenths place does not change. for example, rounding 0.843 to the nearest tenth would give 0.8. , your welcome !