PLZZZ HELP!!

2 answers:

ozzi3 years ago

8 0

Put all of the number in order and find the median, which would be 51 and 59 so you'd find the mean of those two numbers, which is 55. After this you would find the median of the smallest number and 55. The smallest number is 40. 40:55, 41:54, 42:53, 43:52, 44:51, 45:50, 46:49, 47:48. 47:48 is the lowest you could get and you would need to find the mean of 47 and 48, once you get 47.5, that is the answer to your question.

sesenic [268]3 years ago

3 0

First we find list the data in order
Then we find the median
We split the data in half and find the median of the first half which is C

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Convert this number given in standard form into scientific notation. 0. 0000069 What is the value in scientific notation? 0. 69

Len [333]

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).

Scientific notations have some of the profits as:

Better readability due to compact representation
Its value in terms of power of 10 is known, which helps in easy comparison of quantities differing by a large value.

For the given case, the number in consideration is 0.0000069

Rewriting it in fraction form, we get:

$0.0000069 = \dfrac{69}{10000000} = \dfrac{69}{10^7} = 69 \times 10^{-7} = 6.9 \times 10 \times 10^{-7}\\\\0.0000069 = 6.9 \time 10 ^{-7 +1} \\0.0000069 = 6.9\times 10^{-6}$