0.27 and 0.027 is not equal. Because 0.27 is in the hundredths place while 0.027 is in the thousandths place. 0.6 and 0.60 is equal becase they are both placed in the tenths place because 0 in 0.60 has no value. 3.7 and 3.07 is not equal. The reason is just like in the first pair