3 years ago

What is the following number in scientific notation? 56.71

Mathematics

1 answer:

Lubov Fominskaja [6]3 years ago

6 0

Your answer is 5.671 x 10 to the first power. I dont know how to write to a power on here

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Two vertical poles of length 10 and 12 feet, respectively, stand 17 feet apart. A cable reaches from the top of one pole to the

Marat540 [252]

Answer:

$L=\sqrt{x^{2}+100}+\sqrt{x^{2}-34x+433} ft$

Step-by-step explanation:

let length of calble = L

distance from 10-foot pole = x ft

Moving from the top of the 10-foot pole to point x, we have

From the diagram that

$x^{2} +10^{2}=L_{1} ^{2} \\x^{2} + 100 = L_{1} ^{2}$

Take the square root of both sides

$\sqrt{x^{2}+100}=\sqrt{L_{1} ^{2}}\\ \sqrt{x^{2}+100}= L_{1}$

Moving from point x to the top of the 12-foot pole, we have

From the diagram that

$(17-x)^{2}+12^{2}=L_{2} ^{2} \\289-34x+x^{2} +144=L_{2} ^{2}\\x^{2} -34x+433=L_{2} ^{2}$

Take the square root of both sides

$\sqrt{x^{2}-34x+433}=\sqrt{L_{2} ^{2}} \\\sqrt{x^{2}-34x+433}=L_{2}$

Amount of cable used, L = L1 + L2

$L=\sqrt{x^{2}+100}+\sqrt{x^{2}-34x+433}$

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3 years ago

Given log34≈1.262 and log37≈1.771, what is the value of log3(167)?

Arada [10]

Answer:

0.753

Step-by-step explanation:

I just took the test lol

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2 years ago

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How many times can 3 go in to 579

givi [52]

193 times hope this helps

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3 years ago

Can buses make the left turn from 35C to 6B

swat32

The first option is correct (:

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3 years ago

Can you plz help me I don’t understand

andrew11 [14]

48/3 = 16. On the second day she sold 16 notebooks.
16-2(she sold two more each day) = 14
16+2=18
Day 1=14
Day 2=16
Day 3=18

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3 years ago