Ünite Sınavı Soruları

1
There are 2 earthquakes are given below;

1^st earthquake's magnitude is M=7.1 and the 2^nd earthquake's magnitude is M=5.2 on the Richter scale.

How many times 1^st earthquake has a magnitude greater than 2^nd earthquake about?

( On the Richter scale, the magnitude M of an earthquake of intensity I is expressed by the formula: M = log₁₀I.)
2
What is the solution set of the exponential equation ?
3
ln(x²) – ln(4 e² x) = -2. x = ?
4
A bacteria population increases exponentially. At t = 0, its population is 50. At t = 1 hour, its population is 250. At t = 4 hours, what is its population ?
5
If 5.000 TL invested for 3 years at an annual rate of interest 10%, find the value of the investment at the end of 3 years if interest is compounded annually?
6
What is the solution of
7
8
If 10.000 TL is invested for 4 years at an annual rate of interest of 20%, find the value of the investment at the end of 4 years if interest is compounded annually.
9
Half-life of the radioactive element x is 400 years. How many grams of x will remain after 600 years if the inital amount is 1 kg?
10
Which power of 2 is between 125 and 250?