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DerKrebs [107]
3 years ago
15

How many significant figures is in 0.040060?

Mathematics
2 answers:
Mashutka [201]3 years ago
6 0

Answer:

5 sgf

Step-by-step explanation:

zeros at the beginning we erase and zeros at the end we dont erase them

nadezda [96]3 years ago
3 0

Answer: Sig Figs 5

Step-by-step explanation:

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4- 5i= 8- 9i<br> 32i- 24= 7i+ 26
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Answer:

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Step-by-step explanation:

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3 years ago
Gary has 63 counters.he pura them in an array with 9 columbs how many rows are there
Mice21 [21]
There are 7 rows.
63/9 = 7.
4 0
3 years ago
What do you add to 2 2/9 to make 4
shutvik [7]

Answer:

1 7/9

Step-by-step explanation:

3 0
3 years ago
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​Find all roots: x^3 + 7x^2 + 12x = 0 <br> Show all work and check your answer.
Aliun [14]

The three roots of x^3 + 7x^2 + 12x = 0 is 0,-3 and -4

<u>Solution:</u>

We have been given a cubic polynomial.

x^{3}+7 x^{2}+12 x=0

We need to find the three roots of the given polynomial.

Since it is a cubic polynomial, we can start by taking ‘x’ common from the equation.

This gives us:

x^{3}+7 x^{2}+12 x=0

x\left(x^{2}+7 x+12\right)=0   ----- eqn 1

So, from the above eq1 we can find the first root of the polynomial, which will be:

x = 0

Now, we need to find the remaining two roots which are taken from the remaining part of the equation which is:

x^{2}+7 x+12=0

we have to use the quadratic equation to solve this polynomial. The quadratic formula is:

x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}

Now, a = 1, b = 7 and c = 12

By substituting the values of a,b and c in the quadratic equation we get;

\begin{array}{l}{x=\frac{-7 \pm \sqrt{7^{2}-4 \times 1 \times 12}}{2 \times 1}} \\\\{x=\frac{-7 \pm \sqrt{1}}{2}}\end{array}

<em><u>Therefore, the two roots are:</u></em>

\begin{array}{l}{x=\frac{-7+\sqrt{1}}{2}=\frac{-7+1}{2}=\frac{-6}{2}} \\\\ {x=-3}\end{array}

And,

\begin{array}{c}{x=\frac{-7-\sqrt{1}}{2}} \\\\ {x=-4}\end{array}

Hence, the three roots of the given cubic polynomial is 0, -3 and -4

4 0
3 years ago
List all of the factors of 72
True [87]
Well the factors of "72" is→ 1,2,3,4,6,8,9,12,18,24,36,72

To find the factor(s) "72" just write out the muliples that equals 72 
3 0
3 years ago
Read 2 more answers
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