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Alenkinab [10]
3 years ago
11

3.4 x 10^3 in standard notation

Mathematics
2 answers:
elena-14-01-66 [18.8K]3 years ago
8 0

Answer:

3240

Step-by-step explanation:

3.24

×

10

3

=

3.24

×

1000

This means you move the decimal spot 3 digit spaces to the right.

Count 3 spaces:

3.2.4.0 →

3240

So then your number becomes

3240

tatyana61 [14]3 years ago
3 0

Answer:3400

Step-by-step explanation:

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Find the value of the expression if x=12.<br> 1. 3x
Marizza181 [45]

Answer:

36

Step-by-step explanation:

X equals 12, substitute X for 12

3(12)=36

3 0
3 years ago
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(-8)^-2 / 3^-4 simplify the expression. Write your answer using only positiv exponents.
spin [16.1K]

Answer:

3^4 / 8^2 or 81/64

Step-by-step explanation:

(-8)^-2 / 3^-4 =

= 3^4 / (-8)^2

= 3^4 / 8^2

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4 0
3 years ago
The Frill family and the Smith family go to the movies.
Sati [7]

Step-by-step explanation:

Let a be the price of 1 adult ticket.

Let c be the price of 1 child ticket.

given,

6a + 2c = 124

as equation 1,

and

3a + 5c = 100

as equation 2.

Now we will solve for a and c using elimination method of simultaneous equations.

Now we multiply equation 2 by 2 to eliminate a and solve for c.

3a \times 2 + 5c \times 2 = 100 \times 2 \\ 6a + 10c = 200

This new equation will be equation 3.

Now we will use equation 1 - equation 3 to eliminate a and solve for c.

(6a - 6a) + (2c - 10c) = 124 - 200 \\ 0 + ( - 8c) =  - 76 \\  - 8c =  - 76 \\ c =  - 76 \div  - 8 \\  = 9.5

Now substitute c into equation 2.

3a + 5(9.5) = 100 \\ 3a + 47.5 = 100 \\ 3a = 100 - 47.5 \\ 3a = 52.5 \\ a = 52.5 \div 3 \\  = 17.5

Therefore one adult ticket will cost $17.50 and one child ticket will cost $9.50.

7 0
2 years ago
20 pts awarded and brainliest chosen<br><br>Which of the following is the solution to ?
Dvinal [7]

Answer:

B.

Step-by-step explanation:

The answer is B

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3 years ago
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Yuki888 [10]

Answer:

100+20×12. ...............

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