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Crazy boy [7]
3 years ago
8

What is the correct representation of the number 0.00000000023 in scientific notation

Mathematics
1 answer:
AVprozaik [17]3 years ago
8 0

Answer:

2.3*10^-10

Step-by-step explanation:

2.3 because that number can never be higher than 10

-10 because there are 10 spots from where the decimal is to where it needs to be for it to be 2.3

-10 because the number is small

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Craig earns the same amount of money each month. His telephone bill is 1/20 of his monthly earnings, and he pays a total of $720
Juliette [100K]
Answer: $1200
Explanation:
The amount of telephone bill Craig has to pay each month: $720/12= $60
His earnings each month: $60 x 20 = $1200
7 0
3 years ago
A cube has sides of length 2 meters. Explain what happens to the volume of the cube if the length of the sides is doubled.
Bas_tet [7]
Volume of a cube with side lengths of 2, 2, and 2. 
2³=8 m³


Volume of a cube with 4,4, and 4
4³=64 m³

Conclusion: The volume would be squared, or square rooted, depending on which way you are going.
8 0
3 years ago
Read 2 more answers
Question in the attached below. @grujan50
denpristay [2]

The first answer is ''Linear pair postulate''

The second answer is ''Definition of suplementary''

The third answer is  ''m∡ACB+45=180''

The fourth answer is ''Subtraction Property of Equality''

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7 0
3 years ago
Translate (3, – 4) down 3 units.<br> Then reflect the result over the y-axis.
Greeley [361]

Answer:

Step-by-step explanation:

Best advice: make a sketch (which I can't do here).

When you reflect in the x axis, only the y value changes...so (3, -4) reflects to (3,4).

Translating down (i.e. in the negative direction) again means the x value (the abscissa) doesn't change, only the y value (the ordinate)...so the final value of the point is (3,1).

3 0
2 years ago
Simplify the radical expression completely LaTeX: 3\sqrt{5}\:-\:3\sqrt{11}+2\sqrt{121}-3\sqrt{90}3 5 − 3 11 + 2 121 − 3 90 A. La
lora16 [44]

Answer:

3\sqrt{5}\:-\:3\sqrt{11}+22-9\sqrt{10}

Step-by-step explanation:

Given

3\sqrt{5}\:-\:3\sqrt{11}+2\sqrt{121}-3\sqrt{90}

Required

Simplify the expression

3\sqrt{5}\:-\:3\sqrt{11}+2\sqrt{121}-3\sqrt{90}

Express the square root of 121 as 11

3\sqrt{5}\:-\:3\sqrt{11}+2 * 11-3\sqrt{90}

3\sqrt{5}\:-\:3\sqrt{11}+22-3\sqrt{90}

Express 90 as 9 * 10

3\sqrt{5}\:-\:3\sqrt{11}+22-3\sqrt{9 * 10}

Split the surd to 2

3\sqrt{5}\:-\:3\sqrt{11}+22-3\sqrt{9} * \sqrt10}

Express the square root of 9 as 3

3\sqrt{5}\:-\:3\sqrt{11}+22-3 * 3 * \sqrt10}

3\sqrt{5}\:-\:3\sqrt{11}+22-9 * \sqrt10}

3\sqrt{5}\:-\:3\sqrt{11}+22-9\sqrt{10}

Hence, the result of the expression is

3\sqrt{5}\:-\:3\sqrt{11}+22-9\sqrt{10}

7 0
3 years ago
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