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anygoal [31]
3 years ago
11

Which number is not in scientific notation?

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
7 0
All of them.

_____
The 4th selection is missing an exponent. (The exponent is improperly indicated in all the numbers.)
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Help please and thank you
aksik [14]
Remember
(a^b)^c=a^{bc}
and
\frac{x^a}{x^b}=x^{a-b}


so

\frac{(7^2)^5}{7^{-6}}=
\frac{7^{2*5}}{7^{-6}}=
\frac{7^{10}}{7^{-6}}=
7^{10-(-6)}=
7^{10+6}=
7^{16}

the answer is D
5 0
3 years ago
<img src="https://tex.z-dn.net/?f=y%20%3D%20%20%5Cfrac%7B1%7D%7B2%7D%20%20%2B%20%20%5Cfrac%7Bw%7D%7B3%7D%20" id="TexFormula1" ti
ElenaW [278]

Answer:  \bold{w=\dfrac{6y-3}{2}}

<u>Step-by-step explanation:</u>

Isolate w by performing the following steps

  • Multiply by 6 on both sides to clear the denominator
  • Subtract 3 from both sides
  • Divide both sides by 2

y=\dfrac{1}{2}+\dfrac{w}{3}\\\\\\6\bigg[y=\dfrac{1}{2}+\dfrac{w}{3}\bigg]\quad \implies \quad 6y=3+2w\\\\\\6y-3=3-3+2w\quad \implies \quad 6y-3=2w\\\\\\\dfrac{6y-3}{2}=\dfrac{2w}{2}\quad \implies \quad \large\boxed{\dfrac{6y-3}{2}=w}

5 0
3 years ago
Sofias gym membership is $275 per year in addition to an annual locker fee of $95. What is the monthly fee?
Stels [109]
275+95= 370
370/12= $30.88
5 0
3 years ago
Read 2 more answers
Which sign should be used in the circle below so that the value of the expression is 2? [4+8×3]÷(16○2)
sashaice [31]

Answer:

a subtraction sign belongs in the circle

Step-by-step explanation:

[4+8×3]÷(16-2) is:

[(4+24) ÷ 14] = 28/14 = 2

5 0
3 years ago
A digital clock is gaining 3 minutes every hour. If you set it to the correct time on Saturday, when will it show the correct ti
skelet666 [1.2K]
In 20 days, which would be friday
6 0
3 years ago
Read 2 more answers
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