What is the approximate area of a circle with a radius of 13cm?

a.40.8cm²

b.530.7cm²

c.784cm²

d.2461.8 cm²

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart