What is 2.47 of 1 tenth?

Q1 which of the following is a factor of a)37 b)53 c)62 d)82 q2) if the sum of 2016 different whole numbers is odd. at most how many of the numbers can be even a)0 b)1 c)2014 d)2015

Will give brainliest summations with algebraic expressions image shown

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?