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pychu [463]
3 years ago
12

Simplify a^n*a^-n Thank you! :)

Mathematics
2 answers:
Alex787 [66]3 years ago
7 0
A ^n • a^-n = a^n + -n = a^0 = 1. The final solution to this question would be 1. Remember to follow the rules of exponents when trying to simplify the expression, in this case the multiplication rule.
irakobra [83]3 years ago
6 0
Yy^2 I'm pretty sure is the answer! 
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HELP NOW II WILL GIVE YOU 30 POINTS
Alex

Answer:

1; -11+ 26 =15

2: 2- (-3) =5

3: 10+ (-4) = 7

4: 11 + -8 =3

5: -2 + 3 =1

6:  8 - 12 = -4

Step-by-step explanation:

!

5 0
2 years ago
A scientist had 3 1/2 liters of vinegar. He poured 2/3 of the vinegar into beaker. He then used 3/5 of the vinegar in the beaker
valentinak56 [21]

Answer:

A)2100 ml

Step-by-step explanation:

Given total vinegar is 3 1/2 liters and the used vinegar is  3/5 of the vinegar in the beaker:

#First calculate the amount of vinegar not poured in the beaker:

V_o=V_t-V_b\\\\=3\frac{1}{2}(1-\frac{2}{3})\\\\=1\frac{1}{6}

#Calculate amount of vinegar used in experiment:

V_b=\frac{2}{3}V_t=\frac{2}{3}(3\frac{1}{2})=2\frac{1}{3}\\\\V_u=\frac{3}{5}V_b=\frac{3}{5}\times 2\frac{1}{3}=1\frac{2}{5}

#The unused vinegar is therefore calculated by subtracting the used vinegar from the total at the start of the experiment:

V_r=V_t-V_u\\\\=3\frac{1}{2}-1\frac{2}5}\\\\=2\frac{1}{10}\times 1000\ ml\\\\=2100\ ml

Hence, the unused vinegar is 2100 ml

8 0
3 years ago
math help right now plzzz HURRY NOOW NOW NOW 1 ATTACHMENTS GIVING A BRAINLIEST ANSWER ALL 3 you have to match them
mixer [17]
A. c + 7 ≤ 3
         c ≤ -4
a = 2

b. c - 3 > 1
         c > 4
b = 3

c. c - 7 < 3
         c < 10
c = 2
7 0
3 years ago
Read 2 more answers
P (a) =2/5 p(b)=1/4 ( a and b=1/25I did two events independent or dependent please help
juin [17]

we have

p (a) =2/5 p(b)=1/4 ( a and b=1/25

Remember that

we know that for two independent events A,B.

⇒ P(A∩B)=P(A)*P(B)

we have

P(A)=2/5 and P(B)=1/4

so

P(A∩B)=(2/5)*(1/4)=2/20=1/10

that means

<h2>events are dependent</h2>
8 0
11 months ago
1in e=<br> In e^2x =<br> In 1 =
Step2247 [10]

Answer:

Transforms

Step-by-step explanation:

transforms

5 0
3 years ago
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