$lnx=log_ex\\----------\\log_ab=c\iff a^c=b\\----------\\Domain:\\5x > 0\ \ \ |divide\ both\ sides\ by\ 5\\x > 0\\D:x\in\mathbb{R^+}\\----------------------\\2ln(5x)=8\ \ \ \ |divide\ both\ sides\ by\ 2\\\\ln(5x)=4\iff e^4=5x\\\\5x=e^4\ \ \ \ \ |divide\ both\ sides\ by\ 5\\\\\boxed{x=\frac{e^4}{5}\in D}$

8 0

3 years ago

Read 2 more answers

What is the answer to this question?

ziro4ka [17]

The answer would be a.6

5 0

3 years ago

How would you round the number 9.9813 x 10-5 to two significant figures? Group of answer choices 10 1.0 x 10-4 10.0 x 10-5 9.9 x

zaharov [31]

Answer:

This Significant Figures Rounding Calculator rounds a given number to the amount of significant digits that you specify. This rounding number which you specify cannot be a negative number and it must be greater than 0. A number with 0 significant digits would be 0.

Step-by-step explanation:

8 0

3 years ago

There are 9 red marbles and 5 blue marbles in a bag. What is the ratio of blue marbles to all marbles

LenKa [72]

Answer:

9:5

Step-by-step explanation:

I think it's 9:5 sorry if I'm wrong.

4 0

2 years ago