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notsponge [240]
4 years ago
10

Find the product of 0.3 × 0.23​

Mathematics
2 answers:
allochka39001 [22]4 years ago
8 0

Answer:

Step-by-step explanation:

0.069

aliya0001 [1]4 years ago
4 0

Answer:

0.69

Step-by-step explanation:

You would start this out like a normal equation.

0.23

x

0.3

Then you would get rid of all of the decimals...

023

x

03

Then you would multiply like you normally would, and you should get 69.

After that, you have to be able to move the decimal point 2 times to the left because earlier you moved the decimal point to the left, once for reach number, and that would mean that you have moved the decimal point twice, so now once you get your answer you would move the decimal point twice to the left of 69. ANd that should give you 0.69.

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At some moment in time, a culture of bacteria contains 100 bacteria. After one hour, there are 300
LenKa [72]

Answer:

i think its a if im wrong im sorry

Step-by-step explanation:

8 0
3 years ago
Write an explicit formula for the geometric sequence below and use it to find the 9th term. 256, 64, 16, 4, . . .
Nastasia [14]

im doing this problem right now---

ok so a1=256 a2=64 a3=15 a4=4... find a9

the sequence divides by 1/4 every term

an=a1*r^n-1

an=(256)*(1/4)^n-1

replace n with 9

A9=(256)*(1/4)^9-1

A9=(256)*(1/4)^8

=(256)*(1/4)

A9=64^8

1/256 or a9= 0.00390625

7 0
3 years ago
A test is worth 100 points. The test is made up of 40 items. Each item is worth either 2 points or 3 points. Which matrix equati
lidiya [134]

Answer:

Total number of points in the test = 100

Total number of items in the test = 40

Let number of items of 2 points be x and number of items of 3 points be y.

Now, using the given information the situation can be represented by using the following equations :

⇒ x + y = 40 .........(1)

⇒ 2x + 3y = 100 .........(2)

The matrix equation is :

\begin{bmatrix}1 & 1\\ 2& 3\end{bmatrix}\cdot \begin{bmatrix}x\\ y\end{bmatrix}=\begin{bmatrix}40\\ 100\end{bmatrix}

By solving the equation (1) and equation (2), we get :

Solution : x = 20 and y = 20

4 0
4 years ago
Read 2 more answers
Which fractions are equivalent to 4/9? Choose Yes or No for each fraction. Please answer quickly i need this!
mamaluj [8]
8/18 and 36/81 are equivalent
6 0
3 years ago
Read 2 more answers
Which number is rational?
disa [49]

Answer:

I think it's A.

hope this helps

have a good day :)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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