3 years ago

20 POINTS I need your help

Mathematics

2 answers:

alexira [117]3 years ago

7 0

Step-by-step explanation:

${( \frac{ {5}^{7} \times {( - 3)}^{4} }{ {5}^{6} } )}^{2} = {( ({5}^{7 - 6} ) \times {( - 3)}^{4} )}^{2} \\ = {5}^{2} \times {( - 3)}^{4 \times 2} = {5}^{2} \times {( - 3)}^{8}$

25 * 6561= 164,025

disa [49]3 years ago

6 0

The answer to your question is 405

You might be interested in

Please help.

Alika [10]

Answer:

250 smaller boxes

Step-by-step explanation:

Find the volume of the 2 cuboids.

Formula = Length x width x height

Big cuboid = 50 x 30 x 20 = 30000

Small cuboid = 10 x 3 x 4 = 120

Now divide them.

30000 ÷ 120 = 250 small boxes

5 0

3 years ago

If you are doing area in mathematics and the base is 16 and the height is 5 but there are 4 sides, don't u need to multiply 16x5

Murrr4er [49]

No, you would only need to multiply 16 by 5 once

4 0

3 years ago

The length of a rectangle is 4 inches longer than its width. The area of the rectangle is 12 square inches. What are the length

azamat

Answer: B) w(4+w)=12

Step-by-step explanation: Because the formula for area is length times width, the expression used to find it would by w•l. If L=4+W, the equation for area in this question is w(4+w)=12

6 0

3 years ago

How many four letter permutations can be formed from the first five letters of the alphabet?

Maru [420]

Answer: 120

<u>Step-by-step explanation:</u>

Permutation means that order matters.

$_nP_r = \dfrac{n!}{(n-r)!}\quad \text{where n is the total \# of items and r is the quantity chosen} \\\\\text{In the given problem, n = 5 and r = 4}\\\\\\_5P_4=\dfrac{5!}{(5-4)!} = \dfrac{5\times 4\times 3\times 2 \times 1}{1}=120$

8 0

3 years ago

Please don give me the full answer just enough that I'm able to get it right

Zielflug [23.3K]

Answer:

190

Step-by-step explanation:

5 0

3 years ago