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2 years ago

Express in exponential form 200×75

Mathematics

1 answer:

GREYUIT [131]2 years ago

6 0

Do you mean exponential form as in scientific notation or as in prime factorization.

Now matter I will do both.

As in scientific notation.

200*75

=150*100

=1.5*10000

=1.5*10^4

As in prime factorization.

200*75

=2^3*5^2*3*5^2

=2^3 * 3 * 5^4

Do the one your teacher ask for :) Hope it helps!

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Please answer below :-)

Serjik [45]

Answer:

B. 88.8

Step-by-step explanation:

let x represent class y

(x+71.2)/2=80 multiply each side by 2

x+71.2=160 subtract 71.2 by both sides

x=88.8

trial an error

replace x with each of the numbers and see if it plugs in.

example:

(80.5+71.2)/2=80

151.7/2=80

75.85=80?

false. incorrect

another example:

(88.8+71.2)/2=80

160/2=80

80=80?

true. correct

7 0

2 years ago

What is 3 and 3/8 times 4 and 1/3=

irakobra [83]

The answer is 117/8 and that is simplified decimal form is. 14.625 First the left fraction 3 x 8=24+3=27 so it is 27/8 Then the right 4 x 3=12+1=13 27 x 13=351 8 x 3=24 351/24

4 0

2 years ago

You have 19 digs for your current volleyball season. There are 5 games left in the season. You want to break your previous recor

viktelen [127]

19 + X > 26

X > 7

To break your record you need more than 7 digs

7 0

2 years ago

Lola takes the train from Paris to Nice. The distance between the two cities is about 920 , 000 meters. If the train travels at

nika2105 [10]

First of all we must use the same unit measure for all data, otherwise it wouldn't make sense to compare meters and kilometers.

Since one kilometer is the same as 1000 meters, we have that 920000 meters are 920 kilometers.

Now, the train travels at 230 kilometers per hour. It means that it travels 230 kilometers with each passing hour

So, after 1 hour, the train travels 230 km. After two hours, the train travels 2x230 = 460km, and so on

In general, the distance traveled after k hours is $230k$ .

We want that distance to be 920, so the equation is

$230k = 920 \iff k = \cfrac{920}{230} = \cfrac{92}{23} = 4$

So, the train travels 920 kilometers (i.e. 920000 meters) in 4 hours.

5 0

2 years ago

Read 2 more answers

Yen said he could find 520÷10 by taking the 0off of 520to get 52 yen finds 23.160÷10 using the same method

Arte-miy333 [17]

He is incorrect. If you divide 520 by 10 you get 52. He is correct for that answer. But 23.160 divided by 10 is 2.316. NOT 23.10.

8 0

2 years ago

Read 2 more answers

Express in exponential form 200×75​

Express in exponential form 200×75