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vredina [299]
3 years ago
15

Which number is the smallest? A) 1.28 x 10-4 Eliminate B) 2.85 x 10-6 C) 3.24 x 10-5 D) 5.48 x 10-8

Mathematics
2 answers:
statuscvo [17]3 years ago
7 0
D u doing beachmark test XD GOODLUCK
vfiekz [6]3 years ago
6 0
The answer is D 5.48*10-8 

hope this helps
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At a supermarket, every can of tomatoes weighs at least 15 ounces.
disa [49]

w ≥ 15 !!!!!!!!!!!!!

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3 years ago
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Divide the fractions.<br><br> 9/2 divided by 4/10
mario62 [17]

Answer:

11 1/4

Step-by-step explanation:

9/2/4/10

9/2/2/5

9/2*5/2

45/4

11 1/4

7 0
3 years ago
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Sasha hasn’t won any of the 40 games she has played with her four friends so far. She wants to win at least 20%. How many does s
Margaret [11]

Answer:

10

Step-by-step explanation:

Given that Sasha has won 0 games in the 40 games she has played.

Let she needs to win x game in a row, so

Total game she played = 40 + x

The number of the game she won is x, which is 20% of the total game she played, so

x = 20% of (40+x)

\Rightarrow x = 0.2(40+x) \\\\\Rightarrow x = 8+0.2x \\\\\Rightarrow x-0.2x=8 \\\\\Rightarrow 0.8x = 8 \\\\\Rightarrow x = 8/0.8=10.

Hence, she needs to win 10 games in a row.

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20log_%7B2%7D%283x%20%2B%204%29%20%20-%207%20log_%7B4%7D%7Bx%7D%5E%7B2%7D%20%20%2B%20%20log_%
olga2289 [7]

First of all, we need all logarithms to have the same base. So, we use the formula

\log_a(b)=\dfrac{\log_c(b)}{\log_c(a)}

To change the second term as follows:

\log_4(x^2)=\dfrac{\log_2(x^2)}{\log_2(4)}=\dfrac{\log_2(x^2)}{2}

Finally, using the property

\log(a^b)=b\log(a)

we have

\dfrac{\log_2(x^2)}{2}=\log_2(x)

So, the equation becomes

\log_2(3x+4)-7\log_2(x)+\log_2(x)=2 \iff \log_2(3x+4)-6\log_2(x)=2

We can now use the formula

\log(a)-\log(b)=\log\left(\dfrac{a}{b}\right)

to write the equation as

\log_2(3x+4)-6\log_2(x)=2 \iff \log_2(3x+4)-\log_2(x^6)=2 \iff \log_2\left(\dfrac{3x+4}{x^6}\right)=2

Now consider both sides as exponents of 2:

\dfrac{3x+4}{x^6}=4 \iff 4x^6-3x-4=0

This equation has no "nice" solution, so I guess the problem is as simplifies as it can be

5 0
3 years ago
I WILL GIVE BRAINLIEST
rosijanka [135]

thx u so much :)

............................

5 0
2 years ago
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