Write six-thousandths in standard form
2 answers:
Answer:
Step-by-step explanation:
We are asked to write six thousandths in standard form.
First of all, we will write our given number as a decimal. Our given number is six thousands, so we will divide 6 by 1000 as:
To write 0.006 as standard form, we need two factors whose product is 0.006. First factor would be any number between 1 to 10 and the second number would be power of 10.
Since we have 3 decimals before 6, so our first factor would be 6 and second factor would be .
Therefore, our required number would be .
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Answer: E. none of the above
Step-by-step explanation:
The given data values that represents the population:
2, 6, 3, and 1.
Number of values : n=4
Mean of the data values =
Sum of the squares of the difference between each values and the mean =
Now , Variance = (Sum of the squares of the difference between each values and the mean ) ÷ (n)
= (14) ÷ (4)= 3.5
Hence, the variance is 3.5.
Therefore , the correct answer is "E. none of the above".
Answer:
The car must drive at 108 km/h to cover the same journey.
Step-by-step explanation:
Given that:
Time taken by bus journey = 45 minutes =
Speed of bus = 60 km/h
Distance of the journey = Speed * Time
Distance of the journey = 60 * 0.75 = 45 km
The car needs to cover 45 km in 25 minutes.
25 minutes =
Distance = Speed * Time
45 =
Speed =
Speed = 108 km/h
Hence,
The car must drive at 108 km/h to cover the same journey.