Compare 4.5 times 10 to the 6 power and 2.1 times 10 to the 8 power to find which is greater. explain how you can compare them without writing them in standard notation first

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.