Logarithm - practice problems
Direction: Solve each problem carefully and show your solution in each item.Number of problems found: 75
- Logarithm
Determine the number whose decimal logarithm is -3.8. - Decadic logarithm
Log10 30 - log10 3 = X. Find X . - Gain
Find the gain whenever the output power is 21x the input power. - Log
Calculate the value of expression log |3 +7i +5i²| . - Log
If log4 x+ log8 x = log_b x, what is b? - Exponential equation
Solve exponential equation (in real numbers): 23x-6=9 - Exponential 8360
Solve the exponential equation: 8 raised to x = 40 - Triangle
Can an equilateral triangle have a right angle? - Exponential equation In the set R, solve the equation: 7 -5 +19x=4 3 -20x
- Logarithmic equation
Solve equation: log13(7x + 12) = 0 - Expression 3801
What is the value of x in the expression 8^x = 1/64 - Powers 3
2 to the power of n divided by 4 to the power of -3 equal 4. What is the value of n? - Intercept with axis
F(x)=log(x+4)-2, what is the x intercept - Chebyshev formula
To estimate the number of primes less than x Chebyshev formula is used: Pi(x) = 1.11 (x)/(ln x). Estimate the number of primes less than 30300537. - Coordinate
Determine the missing coordinate of the point M [x, $y] of the graph of the function f by rule: y = $bx - Sequence
Calculate what member of the sequence specified by (5n-2+15) has value 20. - Expression: 4085
Determine the value of x and y in the expression: x! · 10^y = 0.0504. - Simplify logarithm expr
Given that logxU + logxV =p and logxU - logxV =q Prove that U=x^½(p+q) - Sum-log
The sum of two numbers is $s, and the sum of their logarithms (base 10) is $l. Determine these numbers. - Decibel
A circuit has an input power of 92 mW. Its output power is 12 mW. What is the loss in decibels?
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