One grain of this sand approx weighs 7 x 10^-5 b)how many grains of sand are there in 6300kg of sand?
Give your awnser in standard form

5.(04.07) two different plants grow each year at different rates, which are represented by the functions f(x) = 4* and g(x) = 5x + 2. what is the first year the f(x) height is greater than the g(x) height? year 3 year 0 year 2 year 1

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.