Aparticle decays at a rate of 0.45% annually. assume and initial amount of 300 mg. (
a. how much of the particle remains after 60 years? (
b. what is the half-life of the particle?

Evaluate cos2θ for cosθ = square root of 3/2

Ke’ajah has a coupon for 1/3 off the regular price, t, of a tent. which expression represents the price of the tent using the coupon? select the two correct expressions. a. 1/3t b. 2/3t c. t - 1/3 d. t - 2/3 e. t - 1/3t f. t - 2/3t

Light travels at 186,000 miles per second. light takes about 1 1? 3 seconds to travel from the earth to the moon. calculate the distance between the earth and the moon based on the speed of light.