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Keith_Richards [23]
3 years ago
5

3.1 × 10^-4 in standard form

Mathematics
1 answer:
podryga [215]3 years ago
4 0

Answer:

Its 0.00031

Step-by-step explanation:

You just move your decimal the number of exponent. In your case -4 so you would move it to the left because it's a negative and move it 4 spaces.

Hope this helps!

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A number x, rounded to 2 decimal places is 7.42 write down the error interval for x
Bond [772]

Answer:

7.415 ≤ x < 7.425

Step-by-step explanation:

The number x was rounded to 2 decimal places to give 7.42.

Since rounded off to 2 decimal places, the error interval for x is half of 0.01 subtracted from and added to 7.42.

Thus;

7.42 ± (0.01/2)

(7.42 - 0.005),(7.42 + 0.005)

7.415, 7.425

Now, 7.425 will not be included in the internal because approximating it doesn't give 7.42.

Thus,the error interval is;

7.415 ≤ x < 7.425

5 0
2 years ago
How to solve -2(v-2)=-3-2v i need it step by step
Goryan [66]

Answer:O0

Step-by-step explanation:

2*(v-2)-(-3-2*v)=0

STEP

1

:

Equation at the end of step 1

(0 - 2 • (v - 2)) - (-2v - 3) = 0

STEP

2

:

Equation at the end of step 2

7 = 0

STEP

3

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Equations which are never true:

3.1 Solve : 7 = 0

3 0
3 years ago
Read 2 more answers
Explain how showing fractions with models and a number line are alike and different?
Otrada [13]
Showing fractions can be expressed in model and number line.
Using a model, you have to draw the number of parts (denominator) and shade the number of parts (numerator).

Using a number line, the line starts from 0 to the number of the denominator. You put a marker to the number that is the same as the numerator.

Both model and number line use the value of the numerator and denominator. What makes them different is how they are presented. Model can easily be understood compared to number line.
5 0
2 years ago
The angle marked a = 146 Work out the angle marked x.​
notka56 [123]

Answer:

<h2>34 degrees</h2>

Basic facts:

<em>Corresponding angles are sometimes known as 'F' angles.</em>

angles in a straight line add up to 180

Step-by-step explanation:

To find the other side of <em>a</em> we follow the Basic fact annd do

180-146

=34

following the rule, we know that this is a flipped F

An F is a corresponding angle

therefore f is 34

5 0
2 years ago
Verizon is implementing a new program based on the number of connected devices in each household. Currently, customers are charg
Amanda [17]

Answer:

d

Step-by-step explanation:

it goes with the correct statements in the sentences it is the right symbol and has the variable for the unknown amount of devices

3 0
3 years ago
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