One acre is equal to 4840 square yards. How many square yards, expressed in scientific notation, are there in 450 acres? Please show the work if possible.

Answers

Answer 1

Answer: 1 acre = 4840 square yards
450 acres = 450 x 4840 yards = 2178000 yards
= 2.178 x 10^6 yards in scientific notation.

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If one term of a proportion is not known, what can be used to find the value of that term? a. substitution c. cross-multiplication b. graphing d. adding all the numbers together

Answers

Answer:

cross multiplication

Step-by-step explanation:

The volume of a cube is 68.921 ft.3 What is the length of each side?

Answers

not enoggh deatil but
\60.369 v v v v v

A cube has equal sides so the volume is calculated as
V= a x a x a verses the Volume of a box which equals
lenght x height x width

Now we take the 3rd root of 68.921 by 3✔ ️because all sides are equal on a cube. We have 4.10 ft.

Check:
4.10 ft x 4.10 ft =
16.81 ft^2

16.81 ft^2 x 4.10 ft = 68.921 ft^3

ICE CREAM you are planning to make and sell ice creams at a schools sports event.

You expect to make and sell 300 ice creams

•You buy ice cream in 1 liter tubs. Each tub costs $2.
•you can fill ten cones from each tub.
•each empty cone cost 5¢
•you plan to sell each filled cone for 80¢

Before buying ice cream, you survey 60 people to find out what flavors they like. Here are the results of the survey:

1.) work out the quantities you need to buy and their costs.

2.) how much profit do you expect T. To make on the day?

Answers

1) you will need 30 tubs of ice cream which will cost £60 plus 300 cones which is £9 so added together it will be £69

Kelan shaded 0.5 of the rectangle what fraction equals 0.5

Answers

The decimal 0.5 represents the fraction 5/10. The decimal 0.25 represents the fraction 25/100. Decimal fractions always have a denominator based on a power of 10. We know that 5/10 is equivalent to 1/2 since 1/2 times 5/5 is 5/10.

the fraction that equals 0.5 is 5/10

HELP!!! I NEED HELP ON MY EXAM. (15PTS)The population f(x), in millions, of State A of a country after x years is represented by the function shown below:

f(x) = 4(1.08)x

The graph shows the population g(x), in millions, of State B of the country after x years:

graph of exponential function g of x that curves up from left to right and goes through points 0 comma 2 and 9 comma 4

Which conclusion is correct about the populations of State A and State B?

The original population of State A was double the original population of State B.
The original population of State B was double the original population of State A.
The original population of State A was four times the original population of State B.
The original population of State A was equal to the original population of State B.

Answers

Answer:

its A

Step-by-step explanation:

I believe it's A because it started at 4 million where the graph started at 2 million. Therefore it would be double.

Ms groves had trays of paint each tray has five colors one of the colors is purple.what fraction of the colors in 20 trays is purple

Answers

The correct answer is:
$(4)/(20) = (1)/(5)$ .

Explanation:
Since 1 out of 5 trays are purple, this means the fraction is $(1)/(5)$ .
However, to find the number of trays out of 20, we multiply 20 by $(1)/(5)$ :
20* $(1)/(5)$ = $(20)/(1) * (1)/(5) = (20)/(5) = 4$ .