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1 year ago

What is the reasonable estimate for the product of 43 x 68

Mathematics

2 answers:

Advocard [28]1 year ago

6 0

Answer:

2800

Step-by-step explanation:

43 × 68 = 2800

Please mark me as brainliest

pickupchik [31]1 year ago

4 0

Answer:

2800

Step-by-step explanation:

Just round the 43 to 40 and the 68 to 70. So the problem then converts to 40x70 to get a rough estimate. 40x70=2800

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3 years ago

The scores on a psychology exam were normally distributed with a mean of 57

olya-2409 [2.1K]

Answer:

Cutoff for a failing score is 49 and 2.28% students failed.

Step-by-step explanation:

We have been given that scores on a psychology exam were normally distributed with a mean of 57 and a standard deviation of 4.

2 standard deviation below mean would be,

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$P(z$

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3 years ago

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2 years ago