Quentin deposited $1,264 into a savings account that earns 2.75% simple interest annually. What will Quentin's account balance be at the end of 2.5 years? Assume he makes no additional deposits during that time period.

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:

An observation that requires measurement is called quantitative observable or qualitative

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.