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3 years ago

Express this number in scientific notation. 0.00015=

Mathematics

1 answer:

balandron [24]3 years ago

6 0

Answer:

1.5 x 10^-4

Step-by-step explanation:

move the decimal 4 places to the right in order for the number to be in correct notation. Then add your x 10 and negative exponent since you moved your decimal to the right and not the left. If you moved it to the left, it would be a positive exponent.

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Start at 0 degrees up 3 degrees down 7 degrees up 2 degrees

Schach [20]

Answer:

-2º

Step-by-step explanation:

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3 years ago

Ella bought 8 meters of ribbon for $10.

Zanzabum

Answer:

$0.03 per inch

Step-by-step explanation:

We need to convert 8 meters to inches first.

Unit ratio for meters to cm is:

$\frac{1m}{100cm}$

So 8 meters is 800 cm

Now,

we need to convert 800 cm to inches

Unit ratio for cm to inches is:

$\frac{2.54cm}{1inch}$

So, 800 cm is :

$\frac{800}{2.54}=314.96$ inches

To get costing per inch, we divide total cost ($10) by the total number of inches (which is 314.96):

$\frac{10}{314.96}=0.032$

Rounded to nearest hundredth, $0.03 per inch

4 0

3 years ago

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vagabundo [1.1K]

Answer:

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3 0

3 years ago

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Explain in detail how to add and regroup 28+5

jolli1 [7]

This is simple. If you add 5 and 8 together, you get 13. What you do, is add the 1 to the 2, you get 3. The 3 in the 13 stays the same, so the awnser is 33.

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3 years ago

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aksik [14]

Answer:

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Step-by-step explanation:

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3 years ago