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3 years ago

What is the simplified expression for 5^4 times 5^3/5^5

Mathematics

2 answers:

const2013 [10]3 years ago

5 0

$5^{4} * \frac{5^{3} }{5^{5}} = 5^{4} * \frac{1}{5^{2}} = \frac{5^{4}}{5^{2}} = 5^{2}$

jarptica [38.1K]3 years ago

3 0

Hello!

To simplify the expression, you'll first need to power each of the numbers by their exponent. Once you've done that you should have...

625*125/3125 or 625*0.04

I hope this helps!

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3 years ago

-7n - 15 ≥ 21? n ≥ -4 n ≥ 7.2 n ≤ -4 n ≤ 4

ollegr [7]

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$\diamond\large\textsf{\textbf{Question:-}}}}$

-7n-15≤21. find n

$\diamond\large\textsf{\textbf{\underline{\underline{Answer and how to solve:-}}}}$

❖ Add 15 to both sides:-

-7n≤21+15

-7n≤36

❖ Now divide by -7 on both sides:-

n≥-5.14 or

n≥-5

The inequality sign changed because we divided both sides by a negative number.

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7 0

2 years ago

FIRST GETS BRAINLIEST

nikitadnepr [17]

Answer:

8, 36, 81, 11, 7, 1000

Step-by-step explanation:

A

Lets start with number one.

x^2 = 64.

That means that x times x equals 64.

To find x's value, simply find the square root of 64, which is 8.

So x = 8.

For the second one, the square root of x is 6.

That means that 6 x 6 = x

6 x 6 = 36.

So, x = 36.

B

For the third one, the square root of x is 9.

That means that 9 x 9 = x

9 x 9 = 81

So, x = 81.

For the fourth one, x^2 = 121

That means x times x = 121

To find x's value, simply find the square root of 121, which is 11

So, x = 11.

C

For the fifth one, x^3 = 343.

That means that x times x times x = 343

To find x's value, simply find the square root of 343, which is 7.

So, x = 7.

For the sixth and last one, the cube root of x is 10.

That means 10 x 10 x 10 = x.

10 x 10 x 10 = 1,000

So, x = 1,000

I hope this helps! :)

4 0

3 years ago