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2 years ago

9

A proton has a mass of 1.67 × 10^–27 kilogram, and an electron has a mass of 9.11 × 10^–31 kilogram. Which is greater, the mass

of a proton or the mass of an electron?

1 answer:

LenKa [72]2 years ago

8 0

Answer:

Mass of a proton

Step-by-step explanation:

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Read 2 more answers

Screenshot of the question attatched. please help me

Law Incorporation [45]

<h2>Rules of Exponents</h2>

There are many rules that apply to operations involving exponents. In this question, we'll need the following:

<h3>The division rule</h3>

⇒ $\dfrac{a^n}{a^m}=a^{n-m}$

<h2>Solving the Question</h2>

We're given:

$z^{21}\div z^7=z^k$ (solve for k.)

⇒ Rewrite as a fraction:

$\dfrac{z^{21}}{z^7}=z^k$

⇒ Use the division rule:

$z^{21-7}=z^k\\z^{14}=z^k\\14=k$

Therefore, the value of <em>k</em> is 14.

<h2>Answer</h2>

<em>k</em> = 14

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1 year ago