2) Carbon-14 is a radioactive isotope often used in dating archaeological and geological artifacts. If Carbon-14 has a half-life of approximately 6,000 years and you have a 100mg sample then how much of it will be remaining in 18,000 years?

What stradegy is 4x7x25?

Ben made a model that was 5 3/4 inches tall. Laquisha made a model that was 70 11/12 inches long. How many times as tall was Laquisha's model?

The average annual rainfall for Bismarck, North Dakota, is 15.36 inches. Denver, Colorado, has an average annual rainfall of 15.31 inches. Which decimal place must you use to tell which city has the greater amount of rainfall?

What is recorded in section 24 of cms-1500?

Suppose your parents deposited $1,500 in an account paying 3.5% interest compounded annually (once a year) when you were born. Find the account balance after 18 years. (round to the nearest cent).

A rectangle has length (4x+ 5) and breadth 3x. Find the area of the rectangle.

A pattern has 1,000 identical circles. If 665 of the circles are orange, what decimal represents the part of the pattern that is orange? Why? A. 665 B. 66.5 C. 6.65 D. 0.665

3.) What is h (5) ? What does this mean?

I was wondering how to find these things about the Singapore flyer (ferries wheel) ? The measure of the central angle in degrees, the measure of the central angle in radian, the arc length between two cars, and the area of a sector between two cars?

What is Charlotte has 12 T-shirts one fourth of her two shirts are green how many of charlottes T-shirts are green?