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DochEvi [55]
3 years ago
9

Write -621,000 in scientific notion

Mathematics
2 answers:
Nuetrik [128]3 years ago
6 0

Answer:

-6.21 x 10^5

Step-by-step explanation:

The negative only comes when the numbers are in the decimal to right such as 0.1 when its on the left side it just mean positive power such as 6.0= a positive, negative power = 0.6 count how many numbers there are (6) then get the last number as the whole number and the rest are behind (-6.21) count all the numbers besides the last number (6) now that is your power so you get -6.21 x 10^5

arsen [322]3 years ago
3 0

Answer:

-6.21 x 10^5

Step-by-step explanation:

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2)
Alekssandra [29.7K]

Answer:

$39.68

Step-by-step explanation:

12.40÷2.4=4.96

4.96×8=39.68

4 0
3 years ago
substitute the given values into the formula & solve for the unknown variable A = bh ; A = 12 , b =4
Sauron [17]

A = bh

12 = 4 × h [substitute A for 12 and b for h]

12 / 4 = h

3 = h

Therefore, h equals 4.



7 0
3 years ago
WILL GIVE BRAINLIEST
rosijanka [135]

Answer:

increase

Step-by-step explanation:

  • Given data is: 71, 67, 67, 17, 69, 84, 21, 87

  • Arranging in ascending order we find: 17, 21, 67, 67, 69, 71, 84, 87

  • Here N = 8 (Even number)

  • N/2 = 4 and N/2 + 1 = 5

  • 4th term = 67, 5th term = 69

  • -> median = Sum of 4th and 5th term/2 = (67 + 69)/2 = 132/2 = 66

  • Now, when one of the 67 is replaced by 71, the new data set in ascending order will be: 17, 21, 67, 69, 71, 71, 84, 87

  • Here, 4th term = 69, 5th term = 71

  • New median = (69 + 71)/2 = 140/2 = 70

  • -> new median > initial median

CONCLUSION: Median will increase if the number 71 replaced one of the 67's in the set.

5 0
2 years ago
HELP PLEASE!!!!!!!! ASAP!!!!!!!!
Serjik [45]
37 degrees Ill explain in a second but thats it!

6 0
3 years ago
Read 2 more answers
PLease help if u can✊​
Vaselesa [24]

Answer:

5 hours

Step-by-step explanation:

75 + 55x = 350

75 - 75 + 55x = 350 - 75

55x = 275

\frac{55x}{55} = \frac{275}{55}

x = 5

4 0
3 years ago
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