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denis23 [38]
3 years ago
6

Ill mark brainllest if right

Mathematics
2 answers:
Oksana_A [137]3 years ago
5 0

Answer:

6x10-2 is 46 times as large as 2x10-8

Step-by-step explanation:

1) Solve for 6x10-2 ( PEMDAS)

6x10=60

60-2=58

2) Solve for 2x10-8 (PEMDAS)

2x10=20

20-8=12

3) Subtract

58-12=46

6x10-2 is 46 times as large

attashe74 [19]3 years ago
4 0

Answer:

I think it is D

Step-by-step explanation:

If you divide 6 x 10^-2 by 2 x 10^-8 you get 3x10^-10 and then you make it into a whole number.

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A regular tube of toothpaste costs $2.50 for 3.2 ounces. A travel size tube costs $1.00 for 1.2 ounces. Compare the prices and w
Len [333]

Answer:

The travel size costs 6 ​% as much as the regular size. Thus the regular size would be more economical and thus a better buy

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step 1

<em>Find out the unit rate of a regular  tube of toothpaste</em>

we know that

To find out the unit rate, divide the total cost by the total weight

so

\frac{2.50}{3.2}=\$0.78\ per\ ounce

step 2

<em>Find out the unit rate of a travel size tube of toothpaste</em>

we know that

To find out the unit rate, divide the total cost by the total weight

so

\frac{1.00}{1.2}=\$0.83\ per\ ounce

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Find out the percent of increase

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The travel size costs 6 ​% as much as the regular size. Thus the regular size would be more economical and thus a better buy

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