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Rufina [12.5K]
3 years ago
9

Which shows the expression below in simplified form? (8.1 × 105) ÷ (9 × 102)

Mathematics
1 answer:
Leviafan [203]3 years ago
5 0
So i think this wan being 

(8,1 x 10^5)
----------------- = 0,9 x 10^3 = 9 x 10^2
 (9 x 10^2) 
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Solve <br>|-4b-8|+|-1-b^2|+2b^3. b= -2<br>show steps please .
evablogger [386]
Ok, first put in the -2 for each b. That gives:
|-4(-2)-8|+|-1(-(-2))^2|+2(-2)^3
Let's do each section.
The first section is |-4(-2)-8)|
-4 times -2 is 8, minus 8 is 0. The absolute value of 0 is still 0.
Now we move on to |-1(-(-2))^2)|
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