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valentinak56 [21]
3 years ago
10

1/3m- 1- 1/2n when m= 21 and n = 12

Mathematics
1 answer:
Alex73 [517]3 years ago
4 0
With this one, plug in the values with the corresponding letters. 1/3m would be the same as 1/3(21) to get an answer of 7. Then 1/2(12) which is 6. Now the equation is 7-1-6 to get an answer of 0.
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Line AB contains points A (0,0) and B (2, 2). Line CD contains points C (3, 1) and D (5,3).
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HELP 25 POINTS +BRAINIEST The weight of a substance measures 3 × 10^-3. grams. Express this weight in standard notation.
Sholpan [36]

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:

5 0
3 years ago
Read 2 more answers
What's 1+1 help pls pls pls s pls pls s pls​
Llana [10]

Answer:

2

Step-by-step explanation:

1 + 1 = 2

6 0
3 years ago
DOES SOMEONE KNOW THISSS!!!
Inessa [10]
4 and 5
hope this helped in some way..
5 0
3 years ago
Read 2 more answers
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