Analyze the diagram below and answer the question that follows. L
219
K
178
Which of the following statements is true?
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Length KL is 128 units

Step-by-step explanation:

The question is incomplete, as the required statements are not given.

From the image of the attached triangle, we can see hat the triangle is right-angled.

So, we have:

Rewrite as:

Take square roots

-- approximated

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8

the largest number of the four options is 1.8 x 10-2

you have it in scientific notation.

1.80 x 10-6   = 0.00000180

1.80 x 10-4   = 0.000180 (bigger, or "less small", than the former one)

so

1.8 x 10-2       = 0.0180. as you see. the "less small", or the biggest one of them all.

as you have negative exponent, it means you are dividing 1.8 by 100 (i.e. moving the dot towards left, two times).

if you had positive exponent for the scientific notation, power of tenths, you would be multiplying times 100 (moving the dot towards right) as below:

1.8 x (10)2 = 180

so. if you have negative exponent in scientific notation, move the dot toward left. if it is positive, toward right as many times the exponent tells you.