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3 years ago

B. Write the following in exponential notation.then identity the base and the exponent.

Mathematics

1 answer:

Alchen [17]3 years ago

8 0

Answer:

1. $8^5$ , base is 8 and exponent is 5

2. $(-1)^7$ , the base is -1 and the exponent is 7

3. -2 * $a^3$ , the base is a and the exponent is 3

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What is the value of 27÷(−34⋅−45)? 4 16/15 28 4/5 45

MakcuM [25]

Answer:

It would not be any of those answers. it would be 106 :) Its negative numbers divided

5 0

3 years ago

Find the geometric means in the following sequence.

soldi70 [24.7K]

Answer:

Last choice. d.

Step-by-step explanation:

We are given the first term and the sixth term.

The first term is $a_1=-9$ .

The sixth them is $a_6=a_1r^5=-9216$ .

Let's solve for the common ratio, r.

$-9r^5=-9216$

Divide both sides by -9:

$r^5=1024$

Take the fifth root of both sides:

$r=1024^{\frac{1}{5}}$

$r=4$

So the common ratio is 4.

$a_1=-9$

$a_2=-9(4)=-36$

$a_3=-9(4)^2=-144$

$a_4=-9(4)^3=-576$

$a_5=-9(4)^4=-2304$

$a_6=-9(4)^5=-9216$

8 0

4 years ago

It takes John 54 minutes to paint a fence with a length of 12 meters. On average, how long did he take to paint 1 meter of the f

seraphim [82]

Answer:

4.5

Step-by-step explanation:

I think it will work if you Divide 54 over 12 = 4.5

5 0

3 years ago

Between the numbers 12,21 27,36 and 45 which of the numbers are visible by both 3 and 9

Westkost [7]

27 and 36

12 is too short to be multiplied by 9, 21 can be multiplied by 3 but not 9 again, 3 can’t go into 45. Which leaves 27 and 36. 3 times 9 equals 27. 3 times 12 equals 36, 9 times 4 equals 36.

7 0

3 years ago

Melvin conducted a series of surveys asking political candidates about the number of constituents they mail literature to. Each

damaskus [11]

Answer:

361.09

Step-by-step explanation:

Explanation:

Calculate the standard error of the mean, SE, using this formula, where is the standard deviation and n is the sample size.

For this situation, the sample size is 65, and the standard error of the mean is 44.8. Substitute these values into the formula, and solve for .

So the standard deviation is approximately 361.09.

5 0

3 years ago

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