2 years ago

Write the number 6,800 in scientific notation.

Mathematics

2 answers:

nekit [7.7K]2 years ago

5 0

Answer:

6.8*10^3

Step-by-step explanation:

BigorU [14]2 years ago

4 0

Answer:

The answer is 6.8 × 103.

Step-by-step explanation:

I hope this helps! Have a great rest of your day!

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What do 89/90 equal but not as a decimal or a percent as a fraction HELP ME

sergeinik [125]

Answer:

it equals 89/90

Step-by-step explanation:

the gcf of 89, 90 is 1, so the fraction can not be simplified. The answer is 89/90.

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2 years ago

Day, everything at a store is on sale. The store offers a 20% discount.

Nutka1998 [239]

Answer:

$14.40

Step-by-step explanation:

$18-20%=$14.40

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Find the percent of change from the first value to the second. 20 ; 80

Lemur [1.5K]

Answer:

Percent Change Formula: [(new - old)/old] * 100

Step-by-step explanation:

New - old

80 - 20 = 60

Difference between new - old divided by old

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Previous quotient times 100

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Percent Change is 300%

Check your answer

300% of 20 is 60

20 + 60 = 80

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3 years ago

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The square pyramid has a volume of 768 cubic inches. The height equals 1/6x and the base is just x. What is the value of x ?

Lunna [17]

The volume for a pyramid is $V= \frac{1}{3} Bh$ , where B is the area of the base and h is the height. We are given the volume, and the base and height in terms of x. Our formula then looks like this: $768= \frac{1}{3} (x)( \frac{1}{6} x)$ . Simplifying the right side we have $768= \frac{1}{18} x^{2}$ . Multiply both sides by 18 to get rid of the fraction and we have $13824= x^{2}$ , so x = 117.575

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3 years ago

Solve the inequality:

Allushta [10]

Answer:

x ≤ 1

Step-by-step explanation:

8 + 4x $\geq$ 12

4x $\geq$ 12 - 8

4x ≥ 4

Dividing both sides by 4 gives;

x ≤ 1

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3 years ago