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alukav5142 [94]
3 years ago
10

Anyone know how to do BOTH of these? Thanks!

Mathematics
2 answers:
cricket20 [7]3 years ago
6 0
The answer to the top one is 243.
Nataly_w [17]3 years ago
4 0

Question 1:

We have to simplify the expression \frac{(3^{3} \times 3^{4})^{2}}{3^{3} \times 9^{3}}

=\frac{(3^{3})^{2} \times (3^{4})^{2}}{3^{3} \times (3^{2})^{3}}

(Using the law of exponent, (a^{m})^{n}=a^{m \times n})

=\frac{3^{6} \times 3^{8}}{3^{3} \times 3^{6}}

Cancelling 3^{6} from the numerator and denominator.

=\frac{3^{8}}{3^{3}}

(Using the law of exponent, \frac{a^{m}}{a^{n}}=a^{m-n})

=3^{8-3}

=3^{5}

= 243

Question 2:

The average mass of an adult human = 65 kg

The average mass of an ant = 4 \times 10^{-6} kg (Since the unit of average mass of ant is not mentioned, i have assumed it as kg)

Let the number of ants be 'n'.

According to the question,

Average mass of adult human = n \times Average mass of ant

65 kg = 4 \times 10^{-6} kg \times n

n=\frac{65}{4 \times 10^{-6}}

n=16.25 \times 10^{6}

n=1625 \times 10^{4}

So, 1625 \times 10^{4} ants are needed to equal the mass of one average human.

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joja [24]

Answer:dont know

Step-by-step explanation:

sorry

8 0
2 years ago
Please help me Find x, y, and z
Evgesh-ka [11]

Answer:

X 90 z 90 y 90

Step-by-step explanation:

5 0
2 years ago
PLEASE HELP‼
stellarik [79]

D. 75 cm

Step-by-step explanation:

fill in the y with 20.5, so you get 20.5=0.3x-2. Add the 2 to the 20.5 so you get 22.5=0.3x. Divide both by 0.3 to get 75=x.

sorry if it's a bd explanation, hope this helps :)

4 0
3 years ago
What's 54/99 simplified
alexandr402 [8]

54/99 simplified is:

54/99= 6/11

The answer is 6/11

7 0
3 years ago
How do I use this app
Natalka [10]

Answer:

Ask a question and fellow persons will help you .

Step-by-step explanation:

Just type your question in the blue box at the top of course.

4 0
3 years ago
Read 2 more answers
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