6.813 x 10^-3 in standard form

3x-y-3z if x=-2 y = 1 z=-2

Which expression is a polynomial? a. 9x^7 y^-3z b. 4x^3 - 2x^2 + 5x - 6 + 1/x c. - 13 d. 13x ^-2

A researcher selects a sample of 25 participants from a population with a mean of 20 and a standard deviation of 10. What is the range of values for the sample mean that fall within 1 standard error of the mean in a sampling distribution?

Anna is planning on making a circular garden. If the diameter of the garden is 21 meters, what is the circumference? A.) 65.94 m B.) 346.185 m C.) 1,384.74 D.) 131.88 m

Using the standard 28/36 guidelines, what is the maximum mortgage payment allowed for someone with an annual salary of $70,000?

What is the square root of 81 and multiplied that by 2?

An elementary school received a donation of $1,000. The school has 4 kindergarten classes and 3 classes each in grades 1 through 6. Can the money be divided equally among the classes?

What is the greatest common factor between 120 and 88?

What is the volume of a right circular cylinder with a radius of 5 cm and a height of 12 cm? 60pi cm^3 120pi cm^3 300pi cm^3 1200pi cm^3

Marta ha comprado una bicicleta que costaba 280 € pero le han hecho una rebaja del 15°/• cuanto ha pagado