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myrzilka [38]
3 years ago
9

I need help please tell me how to get the answer and the answer please

Mathematics
1 answer:
MrRa [10]3 years ago
4 0

Answer:

zero

Step-by-step explanation:

because when u equate both equation ,

-2x-5= -2x+7

or, -2x+2x=7+5

or, 0=12

which is invalid so it has no solution

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Answer:

Scientific notation is a way of writing very large and very small numbers.

A number in scientific notation has the form  

N

×

10

a

, where  

N

is a number between 1 and 10, and  

a

is a positive or negative integer.

To convert to scientific notation, you move the decimal point until the new form is a number between 1 and 10 (

N

) and then record the exponent (

a

) as the number of places the decimal point was moved.

If you move the decimal to the right, the exponent is negative.

Express  

0.000 000 03 g

in scientific notation.

Step 1. Move the decimal place to the right to create a new number between 1 and 10.

This gives  

N

=

3

.

Step 2. Count the number of times you moved the decimal.

You moved the decimal 8 places to the right.

That means the exponent  

a

=

-8

.

Step 3. Write the number in scientific notation.

0.000 000 03 g

=

3

×

10

-8

l

g

Step-by-step explanation:

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Step-by-step explanation:

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