Hello!
<u><em>Answer: ⇒⇒⇒⇒⇒⇒⇒ =54</em></u>
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Step-by-step explanation:
First you had to convert element to fraction.

Then you had to cross out by the common factor of 3.

Multiply by the fraction.

Multiply by the number.


Again multiply by the number.


Apply rule.

54 is the right answer.
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-Charlie
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It is approximately -.4048
H=10^(-pH)
log H = -pH
pH=-logH => so it is affirmed that it is -.40
To find area you do length x width. To find perimeter you do length + width.
Answer:
15
Step-by-step explanation: