riley bought 3.75 yards of blue fabric 12.25 yards a red fabric and 7.5 yards of purple fabric if she paid 6.50 per yard how much did the fabric cost

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square