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antiseptic1488 [7]
3 years ago
13

Simplify the expression. Write the answer in scientific notation (7x10-6) (3x10-2​

Mathematics
1 answer:
shtirl [24]3 years ago
4 0

Answer:

21 X 10^-8 is the correct answer

Step-by-step explanation:

(7X3) X 10^(-6-2)

21 X 10^ -8

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Which inequality is true?
alexdok [17]

9514 1404 393

Answer:

  А. Зп > 9

Step-by-step explanation:

The inequality of A may or may not be true. (It is true only if n > 3.) All of the others are definitely false.

3 0
2 years ago
A part selected for testing is equally likely to have been produced on any one of six cutting tools.
JulijaS [17]

Answer:

a)S= (1,2,3,4,5,6)

b) 1/6 or 16.67%

c) 1/3 or 33.33%

d) 5/6 or 83.33%

Step-by-step explanation:

a) Sample space is the list of all the possible sample in this its either tool 1,2,3,4,5 or 6

b) probability of selecting from tool 1 is equally likely to picking from any cutting tool therefore it

1/6 or 16.7%

c) probability of selecting from any tool is 16.7% so probability of selecting from 3 or 5 = 16.67% + 16.67% = 33.3%

d) if the part is not from tool 4 then its from tool 1, or tool 2 or tool 3 or tool 5 or tool 6 therefore its

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8 0
3 years ago
What does "a"equal to?
slamgirl [31]
Distribute on the left side
7.4a+22.2=3.2a+43.2
Subtract 3.2a from both sides
4.2a+22.2=43.2
Subtract 22.2 from both sides
4.2a=21
Divide both sides by 4.2
a=5
5 0
3 years ago
A rectangle is 40 yards long and 30 yards wide. What is the length of the diagonal that cuts through the center?
choli [55]

Answer:

it should be 50

Step-by-step explanation:

Using the pythagorean theorem c = \sqrt{a^{2} +b^{2} } we get 50

4 0
3 years ago
How do i find the circumference of a circle
Molodets [167]
You have to do 3.14 times the diameter of the circle.
8 0
2 years ago
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