Answer:
To solve an exponential equation, take the log of both sides, and solve for the variable.
Step-by-step explanation:
Example 1: Solve for x in the equation tex2html_wrap_inline119 .
Solution:
Step 1: Take the natural log of both sides:
displaymath121
Step 2: Simplify the left side of the above equation using Logarithmic Rule 3:
displaymath123
Step 3: Simplify the left side of the above equation: Since Ln(e)=1, the equation reads
displaymath127
Ln(80) is the exact answer and x=4.38202663467 is an approximate answer because we have rounded the value of Ln(80)..
Check: Check your answer in the original equation.
displaymath131
Answer:
4.64
Step-by-step explanation:
2.9 x 1.60=4.64
Answer:
Henry is 18 and Paul is 7
Step-by-step explanation:
I figured it out in my head.
Answer:
that do it make any sense nshshshshshsjshshsnshdjdjjsjskslqpsjdbjdbsjsbsjdhshdhdhshsjsjsjjsjshshshsjs
Step-by-step explanation:
luttdlyjr5ie5uwriyrqkapeyEltezeltslrysrpfhzfhzllzryLRyLryYRh$&ffjzltjdltustudltustzfjxfj
