3 years ago

Adding and subtracting in scientific notation (picture provided)

2 answers:

8 0

Hope this will help u..:)

BlackZzzverrR [31]3 years ago

3 0

Answer:

ans. = 5400000000 or 5.4×10^9

Step-by-step explanation:

14000000000-8600000000

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Leviafan [203]

So there are 52 horses
12 of them are white
how many are black?
52 - 12 = 40
there are 40 black horses
12 white horses to 40 black horses
12:40
12/40

Hope this helps :)

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3 years ago

Find the perimeter of the window. Round 25cm to the nearest tenth

abruzzese [7]

Answer:

Step-by-step explanation:

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3 years ago

A rectangular field is nine times as long as it is wide. If the perimeter of the field is 1200 feet, what are the dimensions of

boyakko [2]

Answer:

width=60 length=540

Step-by-step explanation:

(w+9w)*2=1200

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3 years ago

The following is a data set of five quiz scores.

Daniel [21]

Answer:

The mean absolute deviation is 36.8. Hope this was helpful

Step-by-step explanation:

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2 years ago

Omae wa sinderou nani (questions in the image btw)

Korvikt [17]

Let $a$ be the number of hours worked at Job A and $b$ the number of hours at Job B. Then

$a+b=30$

and

$7.5a+8b=234.50$

From the first equation,

$b=30-a$

and substituting this into the second gives

$7.5a+8(30-a)=234.50\implies-0.5a+240=234.50$

$\implies0.5a=5.50$

$\implies\boxed{a=11}$

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3 years ago