The brain volumes ​(​cm^3) of 50 brains vary from a low of 906cm^3 to a high of 1462 cm^3 . Use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 172.1cm^3 ​, assuming the estimate is accurate if it is within 15 cm^3.

there are 70 more legs than eyes at the dog show (196 – 126 = 70). dogs have two more legs than eyes, and humans have the same number of legs as eyes. thus 70 is twice the number of dogs at the show, so the number of dogs is half of 70, which is 35. to get the number of humans, subtract 35 from 63: 63 – 35 = 28.

step-by-step explanation:

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answer is because 4×10=40

and 98×4= is 392

40,392