2 years ago

Why is 2-7 not equal to 7-2

Mathematics

1 answer:

tangare [24]2 years ago

6 0

When adding/subtracting with different signs, u subtract and take the sign of the larger number.

2 - 7 = -5
7 - 2 = 5

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You can use the properties of logarithm to get to the solution.

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<h3>What is logarithm and some of its useful properties?</h3>

When you raise a number with an exponent, there comes a result.

Lets say you get

$a^b = c$

Then, you can write 'b' in terms of 'a' and 'c' using logarithm as follows

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Some properties of logarithm are:

$log_a(b) = log_a(c) \implies b = c\\\\\log_a(b) + log_a(c) = log_a(b \times c)\\\\log_a(b) - log_a(c) = log_a(\frac{b}{c})$

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Thus,

The approximate value for given term is given by

$log_3(14) \approx 2.402$

Learn more about logarithm here:

brainly.com/question/20835449

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