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Dmitry [639]
2 years ago
15

PLEASE HELP ; I need help on this ? I am confused .

Mathematics
2 answers:
Goryan [66]2 years ago
7 0
For the first box, you'll type in "100,000" without quotes. Chances are you will also erase the comma as well. Don't erase the comma until you are certain that there are 5 zeros present. To be sure if you have a comma or not, it might be best to ask the teacher for clarification.

We multiply 2.56 times 100,000 to get 256,000

To write 100,000 as a power of 10, we write it as 10^5
In other words, 10^5 = 100,000
Therefore, 5 goes in the second box

Notice how to get from 2.56 to 256,000 we move the decimal point 5 spots to the right. The exponent 5 over the 10 tells us how far to move. The positive exponent means "Move to the right"

So to summarize
256,000 = 2.56 \times {\bf{100,000}} = 2.56 \times 10^{\bf{5}}
zubka84 [21]2 years ago
6 0
256,000-2.56*100,000
Since there are 6 digits in 256,000, it is 2.56*100,000 becuase 100,000 also has 6 digits.
2.56*100,000=2.56*10^5
Since there are 5 zeroes in 100,000, it is 10^5.
256,000=2.56*100,000=2.56*10^5
First box: 100,000
Second box: 5
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Leya [2.2K]

There are different kinds of math problem. There will be 11 rats in sewer #1.

<h3>What are word problem?</h3>

The term  word problems is known to be problems that are associated with a story, math, etc. They are known to often vary in terms of technicality.

Lets take

sewer #1 = a

sewer #2 = b

sewer #3 = c

Note that   A=B-9

So then you would have:

A=B-9

B=C- 5

A+B+C=56

Then you have to do a substitution so as to find C:

(B- 9) + (C-5) + C = 56

{ (C- 5)-9} + (C-5) + C = 56

3C - 19 = 56

3C = 75

B = C- 5

B = 25 - 5

Therefore, B = 20

A = B - 9

= 25 - 9

=11

Therefore, there are are 11 rats in sewer #1

Learn more about  Word Problems from

brainly.com/question/21405634

8 0
1 year ago
Please help :)
dangina [55]

Answer: b. 51 - 3

Step-by-step explanation:

Given, Easha has 3 less than 5 times the number of quarters (I)  that Isabelle has.

Here I is the number of quarters that Isabelle has.

Then, as per given,

Number of quarters Easha has = 5 ( number of quarters that Isabelle has) -3

= 5I-3

Hence, the  expression shows the number of quarters Easha has is "5I-3"

So the correct option is b.

7 0
2 years ago
Please help meeeeee :(
Leviafan [203]
You divide 15 by 2 (D is the answer)
3 0
3 years ago
Math test , if 9 = 90 , 8 = 72 , 7 = 56 , 6 = 42 , 3 = ?
eimsori [14]

Answer:

12

Step-by-step explanation:

7 0
2 years ago
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Identify the interval(s) on which the function y = x^2-3x-40 is positive
MakcuM [25]

Answer:

See below

Step-by-step explanation:

x^2-3x-40  Factor

(x - 8) (x + 5)

The x intercepts are -5 and 8

(negative infinity, -5)

(8, positive infinity)

3 0
2 years ago
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