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bulgar [2K]
3 years ago
14

Harry reads that a particular element has an atom with a mass of 0.000000000012 grams. What is the weight of the atom expressed

in scientific notation?
Mathematics
1 answer:
Arlecino [84]3 years ago
8 0
1.2 e⁻¹¹

Because you need a number between 1 and 10 for scientific notation. So you move the decimal over 11 places. Since you move it to the right, it becomes a negative exponent.
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Evaluate7.2÷0.38.(Round to the hundredth place as needed.)
polet [3.4K]

Answer:

18.95

Step-by-step explanation:

18.94736842 rounded to its nearest hundredth will be 18.95

6 0
3 years ago
Mike reads 40 pages of a book in 50 minutes. David can read 10 more pages than Mike in 50 minutes. How many pages should David b
Sveta_85 [38]
David can read 50 pages in 50 minutes.
(50 pages)/(50 minutes) = 1 page/minute
Since David reads 1 page per minute,
in 80 minutes David can read 80 pages.
8 0
3 years ago
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10. Melissa has $20 to buy bagels and juice for her class. box of bagels bottle of juice 56.13, including tax $2.08, including t
adelina 88 [10]

The inequality for the maximum number of bottles of juice she can buy

6.13+ 2.08b <20.00

Option B

Given

Melissa has $20 to buy bagels and juice for her class

Box of bagels :   6.13 including tax

Bottle of juice: 2.08 including tax

She will buy only one box of bagels that is for 6.13

Let 'b' be the number of bottles of juice she can buy

Total cost should be less than 20 dollars

6.13(one bagels) +2.08(bottles of juices)<20

So the inequality becomes

6.13+2.08b

Learn more :  brainly.com/question/1836165

4 0
2 years ago
Find the equation of the line that passes through the points (2, 2) and (-4, -1).
Reil [10]
The answer is c. if you plug in the numbers for x you get the correct numbers for y
6 0
3 years ago
Read 2 more answers
How many gallons are in 8 1/4?
wlad13 [49]

The total number of gallons in 8.25 quartz is 2.0625 gallons

<h3>Conversion of gallons to quartz</h3>

According to the given question, we are to convert 8 1/4 quartz to gallons

According to the standard conversion

1 gallons = 4 quarts

x = 8.25 quartz

Take the ratio

1/x = 4/8.25
4x = 8.25

x = 8.25/4

x = 2.0625 gallons

Hence the total number of gallons in 8.25 quartz is 2.0625 gallons

Learn more on gallons to quartz here: brainly.com/question/898411

#SPJ1

7 0
2 years ago
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