A sample of radium has a weight of 1.5 mg and a half-life of approximately 6 years. a) Find a function F which models the amount of radium f(t), in mg, remaining after t
years
b) How much of the sample will remain after 6 years? 3 years? 1 year?

at home andrea has 1 2/3 kilograms of rice

step-by-step explanation:

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)