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AlexFokin [52]
3 years ago
9

How many zero arin the product of any whole. number less than 10 and 500

Mathematics
2 answers:
Stolb23 [73]3 years ago
7 0

Answer:

Hay un máximo de tres ceros en el producto de un número distinto de cero cero menor que 10 y 500

Para poder ver esto, la forma más fácil para resolver este problema es multiplicar todos los números entre 1 y 9 por 500, es decir:

01*500 = 500

2*500 = 1.000

3*500 = 1.500

4*500 = 2.000

5*500 = 2.500

6*500 = 3.000

7*500 = 3.500

8*500 = 4.000

9*500 = 4.500

Como vemos, si multiplicamos a 500 por cualquier número par, entonces obtenemos un número con tres ceros, mientras que si este es impar solamente obtenemos dos ceros

dame coronaa

antoniya [11.8K]3 years ago
3 0
I’m just going to make a guess and say 0
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Answer:

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Step-by-step explanation:

3 ( x + 1 ) = 5 ( x- 2 ) + 7

Expand

3 x + 3 = 5 x  - 10 + 7

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7 0
2 years ago
A study was conducted to determine if the salaries of librarians from two neighboring cities were equal. A sample of 15 libraria
AURORKA [14]

Answer:

Step-by-step explanation:

The formula for determining the confidence interval for the difference of two population means is expressed as

Confidence interval = (x1 - x2) ± z√(s²/n1 + s2²/n2)

Where

x1 = sample mean salary of city 1 librarians

x2 = sample mean salary of city 2 librarians

s1 = sample standard deviation for city 1

s2 = sample standard deviation for city 2

n1 = number of soles for city 1

n1 = number of soles for city 2

For a 95% confidence interval, we would determine the z score from the t distribution table because the number of samples are small

Degree of freedom =

(n1 - 1) + (n2 - 1) = (15 - 1) + (15 - 1) = 28

z = 2.048

x1 - x2 = 28,900 - 30,300 = - 1400

Margin of error = 2.048√(s1²/n1 + s2²/n2) = 2.036√(2300²/15 + 2100²/15)

= 1647

The upper boundary for the confidence interval is

- 1400 + 1647 = 247

The lower boundary for the confidence interval is

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6 0
3 years ago
5. Lila flies a drone in the direction of 90 degrees towards Avery. Once she gets to Avery she changes course and flies in the d
disa [49]

Answer:

Mark and Lila are 29.83 meters apart.

Step-by-step explanation:

If we draw a triangle with the information given (see image attached), we have that the angle Lila-Avery-Mark is equal to 70°. Then, to find the distance between Mark and Lila, we just need to use the law of cosines, using the two sides given and the angle between them:

c^2 = a^2 + b^2 - 2*a*b*cos(C)

c^2 = 30^2 + 20^2 - 2*30*20*cos(70)

c^2 = 900 + 400 - 1200*0.342

c^2 = 889.6

c = 29.83 m

Mark and Lila are 29.83 meters apart.

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