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elena55 [62]
3 years ago
11

What is the value of the expression 3^−4?

Mathematics
2 answers:
Wewaii [24]3 years ago
7 0
3^{-4}= \cfrac{1}{3^4} =\cfrac{1}{81}
hjlf3 years ago
4 0

Answer:

Answer is \frac{1}{81}

Step-by-step explanation:

Here we can apply the property of exponents  with negative exponents

in order to make exponent positive we can take the term in denominator which  makes the expression \frac{1}{3^4} and 3^4 means 81

therefore answer is \frac{1}{81}

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Harold weighs 270 pounds now. If Harold goes on a diet and loses 30 pounds, then how many kilograms will he weigh?​
Leto [7]

Answer:

108.862 kg

Step-by-step explanation:

270lb -30lb =240 lb

240 lb is approx. 108.862 Kg

(Pounds are approx 2.205 times Kg)

<em>I hope this helps! :)</em>

3 0
3 years ago
Read 2 more answers
PLEASE HELP!!! 14 POINTS!
Pepsi [2]
Area=1/2bh


add them
(1/2)ab+(1/2)c^2+(1/2)ab=
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ab+(1/2)(a^2+b^2)
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4. find area
area=LW
area=105*45=4725
depends on the area of the signs
answer is
4725/(areaof1sign)
anyway, round down your answer because you will have an incomplete sign if you don't




5. area=pir^2
1/2 of it is
area=1/2pir^2
area=(1/4)^2pir^2
area=pi((1/4)r)^2
the radius is now 1/4 of what it was originally, meaning that the diameter is also 1/4 of what it is now
we need to know diamater
answer is 1/4 of current diameter




3. unclear

4. area of 1 sign not given, answer is 4725/(areaof1sign), rounded DOWN to nearest integer

5. (404 error, diameter not found) answer is 1/4 of current diameter
8 0
3 years ago
⚠️⚠️⚠️⚠️plzzz⚠️⚠️⚠️⚠️​
Butoxors [25]

Step-by-step explanation:

the answer in this picture

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2 years ago
Is brainly accurate?
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the young and older kids that answer these questions are at least 50.9999999% accurate

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alisha [4.7K]
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