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Alecsey [184]
3 years ago
14

A grain of rice average weight is about 25 milligrams or 0.025 grams. Which of the following shows the weight in grams in scient

ific notation?
2.5x {10}^{2}
2.5x {10}^{ - 2}
0.25x {10}^{1}
0.25x {10}^{ - 1}
​
Mathematics
1 answer:
zavuch27 [327]3 years ago
4 0

Answer:

2.5x10⁻2

Step-by-step explanation:

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3 years ago
Write this number in standard form. 300+80+0.9+0.06+0.001
Lina20 [59]

Hey there! I'm happy to help!

First, let's add the hundreds and the tens.

300+80=380

We see that there is nothing in the ones place, so we keep our ones place 0 and we move onto adding the tenths.

380+0.9=380.9

We add the hundredths.

380.9+0.06=380.96

And finally, we add the thousandths.

380.96+0.001=380.961

Therefore, this number in standard form is 380.961.

Have a wonderful day! :D

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3 years ago
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Answer:

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Step-by-step explanation:

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Question 5a: What is the measure of h?*
Nezavi [6.7K]

Answer:

150°

Step-by-step explanation:

It's congruent to the one across from it which is 150°.

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arsen [322]
In set theory<span>, the </span>complement of a set A<span> refers to </span>elements<span> not in </span>A<span>. The </span>relative complement<span> of </span>A<span> with respect to a set </span>B<span>, written </span><span>B \ A</span><span>, is the set of elements in </span>B<span> but not in </span>A<span>. When all sets under consideration are considered to be </span>subsets<span> of a given set </span>U<span>, the </span>absolute complement<span> of </span>A<span> is the set of elements in </span>U<span> but not in </span>A<span>.

</span>The empty set<span> is the </span>set<span> containing no elements. In mathematics, and more specifically </span>set<span> theory, the </span>empty set<span> is the unique </span>set<span> having no elements; its size or cardinality (count of elements in a </span>set<span>) is zero.
</span>
Roster Form<span>: This method is also known as tabular method. In this method, a set is represented by listing all the elements of the set, the elements being separated by commas and are enclosed within flower brackets { }. Example: A is a set of natural numbers which are less than 6.
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