# Half life

Determine the half life of bismuth, when bismuth weight from the original weight of 32 g was only 2 grams in 242 minutes.

Correct result:

t =  60.5 min

#### Solution: We would be pleased if you find an error in the word problem, spelling mistakes, or inaccuracies and send it to us. Thank you! Tips to related online calculators
Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?
Do you want to convert time units like minutes to seconds?

## Next similar math problems:

• Geometric progression 2 There is geometric sequence with a1=5.7 and quotient q=-2.5. Calculate a17.
• Six terms Find the first six terms of the sequence a1 = -3, an = 2 * an-1
• Intercept with axis F(x)=log(x+4)-2, what is the x intercept
• Five harvests In the seed company, they know that, out of 100 grains of a new variety, they get an average of 2000 grains after harvest. Approximately how many grains do they get out of 100 grains after five harvests?
• Logarithm Determine the number whose decimal logarithm is -3.8.
• Insert into GP Between numbers 5 and 640 insert as many numbers to form geometric progression so sum of the numbers you entered will be 630. How many numbers you must insert?
• Log if ?, what is b?
• The city 3 The city has 22,000 residents. How long it is expected to have 25,000 residents if the average annual population growth is 1.4%? After 548 hours decreases the activity of a radioactive substance to 1/9 of the initial value. What is the half-life of the substance?
• Powers 3 2 to the power of n divided by 4 to the power of -3 equal 4. What is the vaule of n?
• Exponential equation In the set R solve the equation: ?
• Water lilies Water lilies are growing on the pond and their number is doubled every day. The whole layer is covered in 12 days. How many days will it cover 8 layers?
• Coordinate Determine missing coordinate of the point M [x, 120] of the graph of the function f bv rule: y = 5x
• Population What is the population of the city with 3% annual growth, if in 10 years the city will have 60,000 residents?
• Sequence Calculate what member of the sequence specified by ? has value 86.
• Population The town has 65,000 inhabitants. 40 years ago there were 157,000. How many people will live in town in 10 years if the average rate in population is as in previous years?
• The crime The crime rate of a certain city is increasing by exactly 7% each year. If there were 600 crimes in the year 1990 and the crime rate remains constant each year, determine the approximate number of crimes in the year 2025.