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Bogdan [553]
3 years ago
9

How many significant figures are in 4.02

Mathematics
1 answer:
Alchen [17]3 years ago
8 0
There are three significant figures in 4.02
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Jaiver bought a new TV for 479.76. He will make equal payments each month for 2 years . Estimate each payment.
Citrus2011 [14]

Answer:

$19.99

Step-by-step explanation:

There are 12 months in a year, so in 2 years, there are 24 months.

Find how much each payment will be by dividing the cost by 24:

479.76/24

= 19.99

So, each payment will be $19.99

7 0
3 years ago
A set of data has 50 observations. How many classes would you recommend?​
nignag [31]

Answer:

  • 6 classes

Step-by-step explanation:

If k is the number of classes and n is the number of observations, then for number of classes we should select the smallest k such that 2^k > n.

<u>We have n = 50 and:</u>

  • 2^5 = 32 < 50
  • 2^6 = 64 > 50

As per above described 2 to k rule, we are taking k = 6.

So 6 classes should be used.

6 0
3 years ago
while in a big city you visit the top of a skyscraper building that is 850 feet from the ground. from the top of the building, y
antoniya [11.8K]

Answer:

450

Step-by-step explanation:if u take 400 out of 850 there are lick it under u

3 0
3 years ago
W(x)=4x+5, find w(-8)
Genrish500 [490]
Just Put -8 in for X 4(-8)+5   goes to -32+5 to       27
3 0
3 years ago
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(9x-12)-(5x-7) please explain it to me​
Leto [7]
Use the foil method
FIRST
OUTER
INNER
LAST
9x by 5x
9x by -7
-12 by 5x
-7 by -12
Then add and subtract like terms to get the answer.
7 0
3 years ago
Read 2 more answers
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