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steposvetlana [31]
2 years ago
6

Communicate Mathematical Ideas Why do you subtract exponents

Mathematics
1 answer:
zysi [14]2 years ago
5 0

Answer:

We subtract exponents when diving powers with the same base because they eventually get canceled out when written in expanded form.

Step-by-step explanation:

For example, if we expand the given fractions:

10^3/10^1 = 1000/10 = 100 = 10^2

Now, if we subtract the exponents we get the same result.

10^3-1 = 10^2

So, a^m/a^n = a^m-

n is one of the exponent rules which saves time and makes calculation easier.

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A recipe call for 3/4 c of chopped pecans Brent wants to triple the recipe . Which numerical expression represents the amount of
mrs_skeptik [129]

Answer: 2 1/4

Step-by-step explanation:

From the question, we are told that a recipe call for 3/4 c of chopped pecans

and that Brentt wants to triple the recipe .

The numerical expression that represents the amount of pecans he will need will be gotten by multiplying 3/4c by 3. This will be:

= 3 × 3/4c

= 9/4c

= 2 1/4

5 0
2 years ago
Factor the expression completely over the complex numbers.<br><br> y^4+12y^2+36
Brums [2.3K]
Y⁴ + 12y² + 36
Now factorize the expression
y⁴ + 6y² + 6y² + 36
= y²(y² + 6) + 6(y² + 6)
= (y² + 6) (y² + 6)
<span>Now 6 is not the perfect square and according to rule, binomial can not be factored as the difference of two perfect squares.
</span>so multiply both.
(y² + 6)² is the answer.
7 0
3 years ago
Read 2 more answers
-(6)^-1<br> a.6<br> b.1/6<br> c.-1/6<br> d.-6<br><br> No idea what I'm doing...
Monica [59]
-(6)^{-1} = ?
<span>Representing in fraction for the best understanding
</span>-(\frac{6}{1}) ^{-1} = ?<span>
When the exponent is negative, the inversion is made, the numerator becomes the denominator, and the denominator becomes the numerator, and the change of signal from the exponent, which was negative, becomes positive.

</span>-( \frac{1}{6} )^1 =
\boxed{\boxed{- \frac{1}{6}}}\end{array}}\qquad\quad\checkmark

Answer:
c.-1/6
7 0
2 years ago
Find the GCF of 15x^4 and 35x^2
elena55 [62]
10, ten is the gcf that’s your answer.
5 0
3 years ago
Read 2 more answers
How long will it take Kevin to complete all of his tasks?
victus00 [196]

Answer:

1/3 + 3/4 + 4/6 +1/2 =

Step-by-step explanation:

1/6 + 4/6 = 5/6

3/4 + 1/4 = 4/4

5/6 + 4/4 = 9/12

6 0
3 years ago
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