What is 4.5x10^-6 in standard notation?

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

Seth practice piano for 1 1/3 hours on saturday and 5/6 hour on sunday for much longer did he practice on saturday than on sunday?

Ms. ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms. ortiz charge per kilogram of tomatoes to make on a load of tomatoes?