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3 years ago

Explain how to write 2.14 * 10 ^ - 5 in standard form by moving the decimal point .

Mathematics

1 answer:

Greeley [361]3 years ago

6 0

Answer:

0.0000214

Step-by-step explanation:

To convert the given question to decimal point we will have to move the point by the number in the standard form...how

2.14*10^-5

It means that the point will be moved to the left in five times...

It gives 0.0000214

In some cases we might just have to move the point to the right if only the 10^-5 is just 10^5

Always ensure to be cautious of signs

The final answer is 0.0000214

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A student answers

jenyasd209 [6]

Answer:

50 questions

Step-by-step explanation:

Given the following question:

92% of 50

To find the answer we have to use the formula to calculate percentage.

$\frac{p\times n}{100}$
$\frac{92\times50}{100} =92\times50=4600\div100=46$
$=46$

Which means in total there was "50 questions" on the test.

Hope this helps.

7 0

3 years ago

If x and y are positive numbers xy = 96 what is the value of x

Sunny_sXe [5.5K]

The value of x is 96/y where <u>y is not equal to zero.</u>

Given the expression that relates x and y as xy = 96

We are told that x and y are positive numbers. To get the value of x, we will divide both sides by y as shown:

$xy = 96\\\frac{xy}{y} =\frac{96}{y} \\x = \frac{96}{y} \\$

From the result, we can conclude that the value of x is 96/y where <u>y is not equal to zero.</u>

Learn more on functions here: brainly.com/question/17431959

7 0

3 years ago

5x-3y=-12 in slope-intercept form

madreJ [45]

Answer:

Subtract 5x from both sides of the equation

-3y = 12 - 5x

Then, divide each term by -3 and simplify.

y = -4 + 5x

------

After that, you'll do this

y= 5x

----- - 4

Lastly, you put that into slope-intercept form.

y = 5

---- x - 4

4 0

3 years ago

Read 2 more answers

When a number is decreased by 8.3%, the result is 50. What is the original number to

kicyunya [14]

Answer:

54.47? Not too sure.

Step-by-step explanation:

3 0

3 years ago

quadrilateral ABCD is a kita with diagonals AC and BD. determine the area of a kita with diagonals BD = 8 units and AC = 12 unit

creativ13 [48]

$\mathsf\blue{♧ANSWER♧}$

$\mathsf \orange{ \frac{x \times y}{2}}$

$\mathsf \green{ \frac{8 \times 12}{2} }$

$\mathsf \orange{ \frac{96}{2} }$

$\mathsf \green{48 \: square \: units}$

7 0

2 years ago