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Travka [436]
3 years ago
14

(4 x 10e5) (2 x 10e3)

Mathematics
1 answer:
wlad13 [49]3 years ago
5 0
400,000
because if you do 10 with the exponent of 5 you'll get 100,000 multiply by 4 = 400,00
1000x2 = 2000
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Langston Hughes earns an annual salary of $76,700.00 as Chiet Pinancial Olhicer of
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2 years ago
Evaluate 2/ 3 ÷ 4 /5 Give your answer as a fraction in its simplest form.
gulaghasi [49]

Step-by-step explanation:

<u>Our problem:</u>

\frac{2}{3}   \div  \frac{4}{5}  = unknown

How to solve?

Find the reciprocal (opposite) of 4/5, then multiply. Simplify if necessary.

<u>Find the reciprocal:</u>

\frac{2}{3}  \times  \frac{5}{4}  = unknown

<u>Multiply:</u>

\frac{2}{3}  \times  \frac{5}{4}  =  \frac{10}{12}

<u>Simplify:</u>

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Problem PageQuestion Flying against the jetstream, a jet travels 3050 miles in 5 hours. Flying with the jetstream, the same jet
goblinko [34]

Answer: the rate of the jet in still air is 685 mph and the rate of the jetstream is 75 mph

Step-by-step explanation:

Let x represent the rate of the jet in still air.

Let y represent the rate of the jet jetstream.

Distance = speed × time

Flying against the jetstream, a jet travels 3050 miles in 5 hours. This means that the total speed of the jet would be (x - y) mph. Therefore,

3050 = 5(x - y)

3050/5 = x - y

x - y = 610 - - - - - - - - - - - - - -1

Flying with the jetstream, the same jet travels 3800 miles in 4 hours. This means that the total speed of the jet would be (x + y) mph. Therefore,

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x + y = 760 - - - - - - - - - - - - - -2

Adding equation 1 to equation 2, it becomes

2x = 1370

x = 1370/2 = 685mph

Substituting x = 685 into equation 1, it becomes

685 - y = 610

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3 0
2 years ago
Compare the values of the underlined digits
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Unfortunately I can not answer this question because there are no underlined digits in your question
7 0
3 years ago
Hannah wants to buy a new shirt the original price is 32.75 but it is on sale for 40% off . what is sale price of the shirt
kati45 [8]
1) 32.75 times .40= 13.10
2) 32.75-13.10=19.65
The sale price is $19.65
4 0
3 years ago
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