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givi [52]
4 years ago
6

Perform the following calculation. Express your answer in scientific notation. (2×105) + (6×105) Write your answer in scientific

notation using the format: 4.2x10^5 with no spaces
Mathematics
2 answers:
ZanzabumX [31]4 years ago
7 0
Answer:

8.4x10^1
Thanks
nirvana33 [79]4 years ago
6 0
8.4x10^1 I think that should be the answer
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the volume of a cylinder is 1,692.46 in cubed. if the radius becomes three times as large, what will be the cylinder's volume?
ivanzaharov [21]
We know that
original volume of a cylinder=pi*r²*h
volume=1692.46 in³
1692.46=pi*r²*h

<span>if the radius becomes three times as large
so
r=3*r
new volume=pi*(3*r)</span>²*h----> 9*pi*r²*h
new volume=9*original volume
new volume=9*1692.46----> 15232.14 in³

the answer is
the new volume is 15232.14 in³
6 0
3 years ago
Question: Eight trials are simulated. The results are shown in the table.
Naily [24]
The estimated margin of error is 105, because that's the middle number and rounding to 2 it would still be 105.
5 0
3 years ago
Read 2 more answers
Regular Hourly Rate = $6.50 Total Work Hours = 48 Overtime Rate = Time
Vikki [24]

Answer:

2212$

Step-by-step explanation:

6 0
3 years ago
Suppose that 3&lt;a&lt;4 and 4&lt;b&lt;5. Find all possible values of:<br><br>a-b​
aleksley [76]

If 4 < b < 5, then -4 > -b > -5, or -5 < -b < -4.

Then

3 < a < 4  ==>  3 - 5 < a - b < 4 - 4  ==>  -2 < a - b < 0

5 0
3 years ago
Read 2 more answers
Someone who is a true hero plz answer this for me I need help
nevsk [136]

Answer:

4√2  or  5.66 to the nearest hundredth.

Step-by-step explanation:

Applying the Pythagoras Theorem:_

c^2 = a^2 + b^2

c^2 = 4^2 + 4^2

c^2 = 32

c = √32

c = 4√2

4 0
3 years ago
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