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mixer [17]
3 years ago
11

Choose the correct simplification of the expression (c2)9. c18 c11 c512 c

Mathematics
2 answers:
postnew [5]3 years ago
7 0

Answer:

Option 1st is correct

c^{18} is the correct simplification of the expression (c^2)^9

Step-by-step explanation:

Using exponent rules:

(a^n)^m = a^{nm}

Given the expression:

(c^2)^9

Apply the exponent rules:

⇒c^{2 \cdot 9}

Simplify:

c^{18}

Therefore, the  correct simplification of the expression (c^2)^9 is, c^{18}

lbvjy [14]3 years ago
4 0
The answer is C18 because just like in algebra you'll multiply the number the two numbers in and out of the paranthisis .
You might be interested in
4. Find the height of a cylinder whose radius is 7cm and the total surface area is 968 sq.cm
timofeeve [1]

Answer:

<u>Height of the cylinder = 15</u>

Step-by-step explanation:

According to the question, TSA=968

TSA of cylinder=2π r (r+h2*22 / 7*7 (7+h) = 968

2*22 (7+h) = 968

(7+h) = 968/44

7+h=22

h = 22-7

= 15 cm

4 0
3 years ago
For what value of a does (1/9)a+1 =81a+1 272-a?
AlexFokin [52]

Answer:

-4

Step-by-step explanation:

\left( \dfrac{1}{9}\right)^{a+1}= 81^{a+1}\cdot 27^{2-a}\\\\\\(3^{-2})^{a+1}=(3^4)^{a+1}\cdot (3^3)^{2-a} \\\\\\3^{-2a-2}=3^{4a+4}\cdot 3^{6-3a} \\\\\\3^{-2a-2}=3^{a+10} \\\\\\-2a-2=a+10 \\\\\\-3a=12 \\\\\\a=-4

Hope this helps!

8 0
3 years ago
R2-44r+120= -30 + 11r <br> Solve by factoring
Sunny_sXe [5.5K]

Answer:

r = 152/55

Step-by-step explanation:

122 - 44r = - 30 + 11r

122 - 44r - 11r = - 30

- 44r - 11r = - 30 - 122

- 55r = - 30 - 122

- 55r = - 152

4 0
3 years ago
Plz help me with this
bixtya [17]

Answer:

1. A

2. 9

Step-by-step explanation:

5 0
3 years ago
Help!! i suck at polynomials!!!
Allisa [31]
In parentheses 6 times 3 plus three times 2 minus 2 back parentheses plus new parentheses x times 3 minus 5 times 2 minus 3 equals 12.

there hope this helps!!

7 0
3 years ago
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