HELP PLS question is,
The diameter of a certain blood vessel is 0.000347 cm. Write this in scientific notation.

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

When only separate discreet points are graphed it is called?

Aline that intersects one of two parallel lines intersects the other also always sometimes never