Answer:
840,000
Step-by-step explanation:
8.23x10^6=8230000
7.39x10^6=7390000
soo
8230000-
7390000
---------------
_840000
<h2>1.</h2>
Firstly, combine like terms: 
Next, subtract r on both sides of the equation: 
Next, add 8 onto both sides of the equation: 
Lastly, divide both sides by 6 and <em><u>your answer will be r = 3.</u></em>
<h2>2.</h2>
Firstly, multiply both sides by e: 
Lastly, divide both sides by 3, and <em><u>your answer will be
</u></em>
The answer is equal to (B). The solutions are x = -7.7 and x = -1.3.
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