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Mice21 [21]
2 years ago
10

the elementary school lunch menu repeats every 20 days. the middle school lunch menu repeats every 15 days. both schools are ser

ving pizza today. in how many days with both schools serve pizza again?
Mathematics
1 answer:
lilavasa [31]2 years ago
3 0
60 days




hope it helps

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Scientific notation is used so that the order of the number is known in first glance. The value of the given number in scientific notation is given by: Option B: 6.9 \times 10^{-6}

<h3>How does scientific notations work?</h3>

The number is written in the form a \times 10^b where we have 1 \leq a < 10

The number b shows the order, which is the most important figure for which scientific notation is used. It tells us how much order large or small a value is in powers of 10. We can for a time, ignore the value of 'a' for two comparable quantities and only compare their orders(this type of comparison is useful when difference is too big, like size of human to size of a star etc sort of comparisons).

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Rewriting it in fraction form, we get:

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and second that: a^{-b}= \dfrac{1}{a^b}

Thus, the value of the given number in scientific notation is given by: Option B: 6.9 \times 10^{-6}

Learn more about scientific notations here:

brainly.com/question/3112062

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