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Oksi-84 [34.3K]
3 years ago
12

Represent the following expressions as a power of the number a (a≠0)((a^2)^−2)^5÷(a^4a)^3

Mathematics
1 answer:
nikklg [1K]3 years ago
4 0

Answer:

a⁻³⁵

Step-by-step explanation:

((a²)⁻²)⁵ ÷ (a⁴a)³

((a²)⁻²)⁵ ÷ (a⁴a¹)³

= (a⁻⁴)⁵ ÷ (a⁵)³

= a⁻²⁰ ÷ a¹⁵

= a⁻²⁰⁻¹⁵

= a⁻³⁵

Exponent rules:

Multiplying two numbers with same base: add exponents

Dividing two numbers with same base: subtract exponents

Number with exponent raised to another exponent: multiply the exponents together

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lana [24]
0.5 of a mile - since 5,280ft = 1 mile and half of 5,280 is 2,640
5 0
3 years ago
How many more festivals had 18 to 23 countries represented than 0 to 5 countries represented?
kari74 [83]

Answer:

3

Step-by-step explanation:

Here, by reading the histogram, we will provide answer for the question asked.

We want to know how many more festivals had 18 to 23 countries represented than 0 to 5 countries.

Checking the histogram, we can see the 0-5 countries having a value of 1, while the 18-23 has a value of 4.

So, the number of more countries will be simply 4-1 = 3

6 0
3 years ago
Jewels has $6.75 to nide the ferry around Connecticut. It will cost her $0.45 every time she rides. Identify the dependent varia
baherus [9]

Answer:

Riding is independent variable and cost is dependent....

Step-by-step explanation:

According to the given statement Jewels has $6.75 to ride the ferry around Connecticut. It will cost her $0.45 every time she rides.

It means that if she rides a ferry, she pays

If she does not ride the ferry she won't pay

This shows that the paying depends on riding.

Thus riding is independent variable and cost is dependent....

i hope i got it right

7 0
3 years ago
An angle measuring 60 degrees is measured as 62 degrees. What is the percentage error correct to 3 significant figures?
Vadim26 [7]

Answer:

3.33%

Step-by-step explanation:

math stuuf <3

7 0
2 years ago
Solve 5[8-(9x-7)]+6x=0
trapecia [35]
<span>5[8 - (9x - 7)] + 6x = 0

5[8 -9x + 7] + 6x = 0

5(15 -9x) + 6x = 0

75 - 45x + 6x = 0

-39x = -75

39x = 75

x = </span>\frac{75}{39} = 1.923076923076923 ≈ 1.92
4 0
3 years ago
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