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israbennett
14.02.2020 •
Mathematics
The shadow of a hiker who is 200cm tall is 300 cm long. The shadow of a cactus is 390 cm.How tall is the cactus? Round your answer to the nearest cm.
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Ответ:
Step-by-step explanation:
We can start by using the power property of logarithms to rewrite the expression. We raise the contents of the logarithm to the power of the coefficient:
Now, we can use both the addition and subtraction properties of logarithms to rewrite the expression. Addition becomes multiplication while subtraction becomes division:
And to write it in a more proper way: