Exponential equation - high school - practice problems - page 5 of 6
Number of problems found: 114
- Determine 4056
Determine x if 3^x: 3²996 = 81 - Equation: 4014
Determine what x equals in the equation: (256^x): 10-1 = 40 - Expression 3949
Determine what y equals in expression (16^y): 5 = 0.4 - Equation: 3881
What is the solution of the equation: 2^x = 2/64
- Exponential equation
Determine the value of having y in the expression (3^y): (4-1)=36. Unknown y is a natural number greater than zero. - Determine 3841
Determine the value of x: 2^x = (2^-3): 2 - Determine 3840
Find z if 12^z = 1/144 - Expression 3815
Determine what number equals z in the expression 3^z = 1/243 - Expression 3811
Determine what y equals in the expression 5^y = 1/25
- Calculate 3803
Calculate the value of y: 3^y = 0.333 - Exponential equation
Find x, if 625^x = 5 The equation is exponential because the unknown is in the exponential power of 625 - Precision 3390
The price of the device is reduced by one-fifth every year. How long before the price of the device drops to one-tenth of the price? Specify years and months with precision. - The city 3
The city has 22,000 residents. How long is it expected to have 25,000 residents if the average annual population growth is 1.4%? - To the cinema
Jane at 8 AM got a message that all 1093 school pupils would go to the cinema. Within 20 min she said it to the three friends. Each of them again for 20 minutes said to the other three. In this way, the message spread further. At what time do all the scho
- Car value
The car loses value by 15% every year. Determine a time (in years) when its price will halve. - Insert into GP
Between numbers 5 and 640, insert as many numbers to form a geometric progression so the sum of the numbers you entered will be 630. How many numbers must you insert? - 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. - Geometric sequence
In the geometric sequence is a4 = 20 a9 = -160. Calculate the first member a1 and quotient q. - Lion or virgin
We toss the coin, and every throw fits a lion or a virgin with an equal probability of 1/2. Determine how much we have to make throws that, with the probability of 0.9, lions fell at least once.
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Exponential equation - practice problems. Examples for secondary school students.