All Questions ⁺⁰237826 Questions

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Help Please

What is the energy of a photon of light that has a frequency of 2.09 x 1016 Hz? You might need to know that c = 3 x 108 m/s and h = 6.63 x 10-34 Js. After you get your answer, take the LOG of it and enter that to 2 decimal places.

Guest Oct 1, 2015

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630

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Write the exponent expression using radicals

Write the exponent expression using radicals 10^-9/2

Guest Oct 1, 2015

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673

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4-5 question 5

The depth of the deepest part of a body of water is 253440 inches. Express this depth in scientific notation using an appropriate unit for expressing the depth? what is the depth?

Guest Oct 1, 2015

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1154

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6x+10=1x

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433

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Please Solve

How do u find the product of -4(-1.5) using a number line

Guest Oct 1, 2015

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505

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function help???

Find the inverse function f−1x for the given function, f(x). Use composition to verify that the functions are inverses. Then graph the function and its inverse.

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548

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how would I solve this problem?

Guest Oct 1, 2015

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362

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Help me please !!!!!!

which square roots are between 77

Guest Oct 1, 2015

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543

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scientific notation

what is the scientific notation of 0.0035

Guest Oct 1, 2015

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438

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To ALL who are interested in Pi

You can go to this site and download for free the fastest program to calculate Pi. There, you will also see a world RECORD for a number of digits computed so far. The record stands at 13.3 trillion digits, or 1.33 X 10^13 digits. With that same program read more ..

Guest Oct 1, 2015

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625

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help me

When the following quadratic equation is written in general form, what is the value of "c"? -3/4x^2+2=0

Guest Oct 1, 2015

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658

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Natural numbers, integers and rational numbers

what are natural number ?

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446

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question

how to make decimal in frac

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509

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ADDITION

2000000000000000+2340000000000000000000000000*23555555555555555=??????

Guest Oct 1, 2015

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385

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Math question

What is 789 = to?

Guest Oct 1, 2015

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442

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I NEED HELP!!!!

I need help on a question on my math, but I can't seem to find any calculators to help my situation! Is it easier just to do by hand if I can't find it?

Guest Oct 1, 2015

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533

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help

what inverse sine 63

Guest Oct 1, 2015

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2881

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Algebra

a carpenter cut four lengths of wood. The lengths were 36 3/4 in, 36 3/8 in, 37 1/2 in, and z. If the mean of the lengths is 36 5/8 in, what was the length of z?

Guest Oct 1, 2015

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515

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Apples

If John has five apples and eats 4 how many does he have.

Guest Oct 1, 2015

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473

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HELP! math homework!

five sixths plus six and three eighths

Guest Oct 1, 2015

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677

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Questions

What's 10^6 in decimal form

Guest Oct 1, 2015

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