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Rom4ik [11]
3 years ago
10

Convert the number to scientific notation 86,002,300 = .... x 10 to what power

Mathematics
2 answers:
GaryK [48]3 years ago
7 0

Answer:

8.6002300X10^7

Step-by-step explanation:

olya-2409 [2.1K]3 years ago
6 0

Answer:

8.6002300X10^7

Step-by-step explanation:

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What is the value of 6<br> 364<br> 484<br> 1.365<br> 1.456
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Steve travels 2 times as fast as Jill. Traveling in opposite directions, they are 120 miles apart after 2.5 hours. Find their ra
Tcecarenko [31]

let's recall that d = rt, distance = rate * time.

we know that Steve is twice as fast as Jill, so say if Jill has a speed or rate of "r", then Steve is traveling at 2r fast, now we know they both in opposite directions have covered a total of 120 miles, so if Jill covered "d" miles then Steve covered 120 -d, check the picture below.

\begin{array}{lcccl} &\stackrel{miles}{distance}&\stackrel{mph}{rate}&\stackrel{hours}{time}\\ \cline{2-4}&\\ Jill&d&r&2.5\\ Steve&120-d&2r&2.5 \end{array}~\hfill \begin{cases} d=2.5r\\[2em] 120-d=5r \end{cases} \\\\\\ \stackrel{\textit{substituting on the 2nd equation}}{120-2.5r=5r\implies 120=7.5r}\implies \cfrac{120}{7.5}=r\implies \stackrel{Jill's}{16=r}~\hfill \stackrel{Steve's}{32}

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