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2 years ago

Compare 6 x 10^5 and 3 x 10^4 answers

Mathematics

1 answer:

IgorC [24]2 years ago

4 0

Step-by-step explanation:

$6 \times {10}^{5} = 60 \times {10}^{4} \\ 3 \times {10}^{4} \\ \because \: 60 > 3 \\ \therefore \: 6 \times {10}^{5} > 3 \times {10}^{4}$

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Rachel wants to know the mean price of all the sunglasses on a display rack.

devlian [24]

The mean price of the sunglasses is $17.

If you add up all the values, you will get a total of 136. Now, divide this total by the total number of values.

There are 8, so 136 divided by 8 is 17. That is the mean.

8 0

2 years ago

Read 2 more answers

Tj Max is offering a 15% discount on all items .The new price of a pair of jeans is 44.20 .What was the original price

dolphi86 [110]

Answer:

$52

Step-by-step explanation:

To find an original price you must find how much of a percent was left before the discount.

100% - 15% = 85%

You then take this percentage a DIVIDE it by the new price.

$44.20/85% = $52 is the original price of the jeans.

7 0

2 years ago

Plz help

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3 years ago

The heights of two similar cylinders are 3cm and 4cm respectively. The total area of the bigger cylinder is 400cm².Calculate the

shusha [124]

Answer:

Step-by-step explanation:

Total surface area = 2πr(r+h)

If the total area of the bigger cylinder is 400cm² and radius is 4cm, then;

400=2(3.14)(r)(r+4)

400= 6.26r(r+4)

400=100.48 + 25.12h

299.52 = 25.12h

H = 299.52/25.12

H = 11.92cm

For the smaller cylinder

The height is calculated as;

H/h = R/r

11/92/

8 0

2 years ago

The Sahara Desert has an area of approximately 9,400,400 km2. While estimates of its average depth vary, they center around 150

horrorfan [7]

It would take 65433661 years to re-create the Sahara Desert

<h3>How many years would it take to re-create the Sahara Desert?</h3>

The given parameters are:

Surface area = 9,400,400 km^2

Depth = 150 m

This means that the volume is

Volume = Surface area * Depth

So, we have

Volume = 9,400,400 km^2 * 150 m

Express as meter square

Volume = 9,400,400 * 1000000 m^2 * 150 m

Evaluate the product

Volume = 9,400,400 * 150,000,000 m^3

A small dump holds 20.5 m^3 for 30 seconds.

So, the duration is:

Time = (9,400,400 * 150,000,000 m^3)/(20.5 m^3 per 30 seconds)

Evaluate the product and quotient

Time = 2.0635024e+15 seconds

1 second = 3.171e-8 year.

So, we have:

Time = 2.0635024e+15 * 3.171e-8 year

Evaluate the product

Time = 65433661.104 years

Approximate

Time = 65433661 years

Hence, it would take 65433661 years to re-create the Sahara Desert