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KatRina [158]
3 years ago
6

PLEASE HELP! I NEED THIS DONE BY TOMORROW!

Mathematics
1 answer:
cestrela7 [59]3 years ago
7 0

Answer

down below

Step-by-step explanation:

i did it on your last post

please give me a brainliest!!

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Answer:

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Step-by-step explanation:

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Find 4.5×10^7 over 1.5×10^-8 . write answer in scientific notation.
Sati [7]

Answer:

\large\boxed{\dfrac{4.5\times10^7}{1.5\times10^{-8}}=3\times10^{15}}

Step-by-step explanation:

The scientific notation:

a\times10^k\ \text{where}\ 1\leq a

We have:

\dfrac{4.5\times10^7}{1.5\times10^{-8}}=\dfrac{4.5}{1.5}\times\dfrac{10^7}{10^{-8}}

Use

\dfrac{a^n}{a^m}=a^{n-m}

=3\times10^{7-(-8)}=3\times10^{7+8}=3\times10^{15}

4 0
4 years ago
The difference of a number and fifteen is two. Write and Algebra Sentence then solve the number.
damaskus [11]

Answer:

<h2><u><em>x - 15 = 2</em></u></h2>

Step-by-step explanation:

The difference of a number and fifteen is two. Write and Algebra Sentence then solve the number.

x - 15 = 2

x = 2 + 15

x = 17

-------------------------

check

17 - 15 = 2

2 = 2

<u>the answer is good</u>

8 0
3 years ago
Amanda plans to run laps around the track. Each lap is 100 yards. So far Amanda has run 240 yards. What percentage of the total
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Answer:

30

Step-by-step explanation:

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