The hundredths place is 2 places to the right of the decimal and occupied by the 7. To round, look at the next place to the right (the thousandths place)... if it's 5 or higher, we round the hundredths place up to an 8. If it's 4 or lower, we round down so the 7 remains unchanged.
Number 1 is 0.2 and 0.4 number 2 is 0.53 and 0.56 number 3 is on the 0.3 number 4 is 1/3 number 5 is a little bit before the 0.7 mark number 6 is 62/100