What is the value of the expression?
http://static.k12.com/bank_packages/files/media/mathml_3e169c1ceb2fa42864d0249936821fb59ec905fc_1.gif @DIDITHEDAD
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OpenStudy (anonymous):
Okay, so what is 4 * 4?
OpenStudy (anonymous):
@lily__ Do you know what 4^2 equals?
OpenStudy (anonymous):
16
OpenStudy (anonymous):
Because the exponent is 2, you multiply the number UNDERNEATH the exponent by itself. It the exponent is three, multiply the number by three. So it would be number * number * number.
OpenStudy (anonymous):
Correct, NOW, what is 3 * 3 * 3?
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OpenStudy (anonymous):
Yes, and what does 3^3 equal?
OpenStudy (anonymous):
4 * 4 + 3 * 3 * 3
OpenStudy (anonymous):
Do you know @lily__
OpenStudy (anonymous):
9
OpenStudy (anonymous):
No, that is the value of 3^2, but we are looking for the value of 3^3.
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OpenStudy (anonymous):
nope, 3 * 3 * 3 is 9 * 3 which is
OpenStudy (anonymous):
3 * 3 *3 is 27 so add that to your 4 * 4 and what do u get?
OpenStudy (anonymous):
so now that Nathan gave you the anser, add 16 and 27 to get.....
OpenStudy (anonymous):
*answer
OpenStudy (anonymous):
Okay, i just got tagged again, brb.
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OpenStudy (anonymous):
43
OpenStudy (anonymous):
Correct
OpenStudy (anonymous):
Correct! Nice job! Now, if you want a medal, can you do this one? 7^2 + 2^3
OpenStudy (anonymous):
And ONLY @sierra! do this one please. :)
OpenStudy (sierra!):
huh?
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OpenStudy (anonymous):
err, sorry. wrong tag lol. i have been tagged so much today it is crazy.
i meant @lily__
OpenStudy (anonymous):
hes asking yo to do 7^2 + 2^3
OpenStudy (sierra!):
ok XD
OpenStudy (anonymous):
Can you do it @lily__
OpenStudy (anonymous):
7^2 + 2^3
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OpenStudy (anonymous):
20?
OpenStudy (anonymous):
No, remember you multiply the 7 * 7 because of the 2. So you multiply the number by itslef. Then for the three, you multiply the three by itself 3 times. So 7*7 + 2*2*2 is 49 + 8 which equals.......