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Mathematics 24 Online
OpenStudy (anonymous):

HELP PLEASE!! 1. What is the value of the expression 7 ^ –3? 2. What is the value of the expression 1/5^-5 ? 3. What is the value of the expression 4/2^ -2 4. What value of k solves the equation? k^ -4 = 1/256 2. What value of n solves the equation? 2^n = 1/8

OpenStudy (the_fizicx99):

Do your given options have decimals?

OpenStudy (anonymous):

My options don't have decimals

OpenStudy (the_fizicx99):

When its negative, to cancel it out it becomes 1/7^3 = 1/343

OpenStudy (the_fizicx99):

Are those one of the options?

OpenStudy (anonymous):

Lemme see

OpenStudy (anonymous):

Yes

OpenStudy (the_fizicx99):

Under stand?

OpenStudy (anonymous):

Yes

OpenStudy (the_fizicx99):

Can you do the second?

OpenStudy (anonymous):

Um I don't think so

OpenStudy (the_fizicx99):

Its negative, so you...?

OpenStudy (anonymous):

Um.....

OpenStudy (the_fizicx99):

Always put a 1/whatever number being raised to a negative power In this case its; 1/1/5^5

OpenStudy (the_fizicx99):

|dw:1386468118289:dw|

OpenStudy (anonymous):

We're dividing these numbers right?

OpenStudy (the_fizicx99):

Well they're negative so you |dw:1386468231323:dw|

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