The half-life of Palladium-100 is 4 days. After 16 days a sample of Palladium-100 has been reduced to a mass of 3 mg.

What was the initial mass (in mg) of the sample?

What is the mass 8 weeks after the start?

Whats x? 16x - 4x = - 48 If possible, can you show your steps

Which expression makes the equation true for all values of x? 16x-16 = 4 (?)

the length of a rectangle is 2 more inches than its width. The perimeter of the rectangle is 24 inches

What is the GFC of the numbers 12,18 and 26

Melinda rents paddle boats down at the pier. She uses 5.5 feet of nylon rope to tie off each boat. She started with 80 feet of rope. After securing all the boats, she was left with more than 3 feet of rope. How many boats did Melinda tie off?

98% of 30 what the percent

Carmen has a rope 54 feet long. she wants to cut it into 6-foot lengths to make jump ropes for the members of the jump roping team. how many jump ropes can carmen make?

Convert this decimal into a percentage: 1.125

In this diagram, if Z is the centroid of ABC and CT = 15, what is ZT? A. 5 B. 7.5 C. 10 D. 30

How do you estimate 5624 divided by 72