Convert 7.2 ⋅ 10−3 to standard form. (3 points)
need help ASAP
1 answer:
Answer:
7.2x10^-3--->.0072
Step-by-step explanation:
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Answer: 72/20 = <u>3 3/5</u>
Step-by-step explanation:
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Answer:
Given:
a + b = 9
=> a = 9 - b
Given:
a x b = 18
=> (9 - b) x b = 18
=> 9b - b^2 = 18
=> b^2 - 9b + 18 = 0
=> (b - 3)(b - 6) = 0
=> b = 3 => a = 6
=> b = 6 => a = 3
Hope this helps
:)
Okay, it's wrong because they forgot to do -2 times 3x.
The correct answer is

-2x-8
Hope i got is correct!
8x^2=2+3
8x^2=5
x^2=5/8
x= sqrt(5/8)