SAT College

The access code for a card security system consist of four digits the first digit cannot be 4 and the last digit must be odd. How many different codes are avalible

Answers

Answer 1

Different codes for access code which are available are: 4000

_ _ _ _

1 2 3 4

1st blank can be filled with the following possibilities, here the conditions are:

1)The first digit cannot be 4

2)The first digit cannot be 0 also since it makes the access code 3 digits hence

From 1 to 9 except 4 there are  8 possible ways to fill that blank

8

2nd blank can be filled with any number between 0 to 9 in 10 possible ways

8 10

3rd blank can be filled with any number between 0 to 9 in 10 possible ways

8 10 10

4th blank can be filled with any odd numbers between 0 to 10 - 1,3,5,7,9

8 10 10 5 = 8 x 10 x 10 x 5 = 4000

Hence to conclude that 4000 available codes are there for the access security card

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Related Questions

Calcium levels in people are normally distributed with a mean of 9.7 mg/dL and a standard deviation of 0.3 mg/dL . Individuals with calcium levels in the bottom 5% of the population are considered to have low calcium levels. Find the calcium level that is the borderline between low calcium levels and those not considered low. Carry your intermediate computations to at least four decimal places. Round your answer to one decimal place.

Answers

Let Me Get My Notes, So I Can Help You Out With This Question

Part C
Keegan determines how much blue and white paint he needs to cover his
bedroom walls. If he needs 10 parts of white paint, use the unit rate in Part A to
find how much blue paint he needs to get the color he wants.

Answers

Answer: 12.5

Explanation:  because Kegan determines needs 10 parts of white paint and the unit rate in part A to 1.25 so the blue paint is  10*1.25+ 12.5  

Which is the form of the following argument? All penguins are flyers. All birds are flyers so, all penguins are birds. Use P=penguin, B = bird, F = flyers

Answers

Answer: P = F. B = F, P = B

Explanation:

P = penguins

B= bird

F = flyers

How are hospitality products more perishable than manufacturing products. short answer.​

Answers

Once a hospitality feature is consumed, it is gone. As for manufacturing products, the industry never sleeps.

Since industry never sleeps hospitability products never sleeps

How are hospitality products more perishable than manufacturing products?

The hospitality industry is perishable, which means that an experience will not last, and the next experience will not be the same as the last: Once a hospitality feature has been used, it is no longer available. The industry never sleeps: The hospitality industry is open 24 hours a day, seven days a week.

The hospitality industry is one of the world's most diverse and diverse industries, employing millions of people and generating trillions of dollars in revenue each year. It is not only a great career choice for many people, but it also encompasses many industries that we interact with on a daily basis.

The hospitality industry is part of the larger service-providing industry, according to the Bureau of Labor Statistics. It is heavily focused on customer satisfaction and meeting the needs and desires of both individuals and families, usually in a leisure capacity rather than a formal, business capacity.

Hence to conclude that hospitality industry products are more perishable than manufacturing products

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