Which of the following are in scientific notation?

Mathematics

2 answers:

horsena [70]2 years ago

8 0

Hi and it’s the 3rd one

ella [17]2 years ago

6 0

Answer:

5.23x10^-2, 8.7x10^-2

Step-by-step explanation:

Scientific notation is basically any number(eg121) thats divided by the lowest power of 10 before it turns into 0.something(in this case, 1.21), times the power of 10 u need to dived, in this case 10^2.

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Make a table of values with the equation provided. Thanks! :)

QveST [7]

Answer:

The answer is in the picture, good luck :)

Step-by-step explanation:

7 0

3 years ago

9.21 <br><img src="https://tex.z-dn.net/?f=9.21%20%5Cdiv%200.4%20%3D%20" id="TexFormula1" title="9.21 \div 0.4 = " alt="9.21 \di

Whitepunk [10]

Let us do it by converting the 0.4 to a fraction, it has one decimal, so we'll use one zero at the denominator.

and 9.21 to a fraction as well, two decimals, thus two zeros at the denominator then,

$\bf 9.21\div 0.4\\\\
-------------------------------\\\\
0.\underline{4}\implies \cfrac{04}{1\underline{0}}\implies \cfrac{4}{10}\implies \cfrac{2}{5}\qquad \qquad \qquad \qquad 9.\underline{21}\implies \cfrac{921}{1\underline{00}}\\\\
-------------------------------\\\\
9.21\div 0.4\implies \cfrac{921}{100}\div \cfrac{2}{5}\implies \cfrac{921}{100}\cdot \cfrac{5}{2}\implies \cfrac{921}{20}\cdot \cfrac{1}{2}\implies \cfrac{921}{40}
\\\\\\
23\frac{1}{40}\implies 23.025$

3 0

3 years ago

What is the slope of the line created by this equation?<br> y-6 = -3(x--8)<br> Help!

aliya0001 [1]

Rewrite the equation in slope intercept form:

Y -6 = -3(x - -8)

Use the distributive property on the right side first:

Y -6 = -3x -24

Add 6 to both sides

Y = -3x -18

The slope is the number in front of the x variable.

Slope = -3

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1 year ago

ILL GIVE BRAINLEST AND EXTRA POINTS

stiv31 [10]

Sin 35 = x/15
x = sin 35*15
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2 years ago

The metric system is easy to use because it is based on units of ten. how many centimeters are there in 100 meters?

IceJOKER [234]

The answer is: " 10,000 cm " .
_________________________________________________
Note: 100 cm = 1 m (exact measurement); in which:

"cm" = centimeter(s) ;
"m" = meter(s) ;
_________________________________________________
100 m = ? cm ?

100 m * (100 cm / 1 m) = __?__ cm ;

The units of "m" cancel out; and we have:

(100)* (100 cm) = 10,000 cm .
_______________________________________

5 0

2 years ago