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2 years ago

0.87 written as a fraction is _____. options: 8 over 8 79 over 90 81 over90

Mathematics

2 answers:

atroni [7]2 years ago

3 0

It’s actually 87/100. It couldn’t be one of those answers that you listed...

Novosadov [1.4K]2 years ago

3 0

Answer:

79/90

Step-by-step explanation:

79/90 is equal to .87

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13x^-5 y^0/5^-3 z^-10

VMariaS [17]

Answer:

$\frac{1625z^{10}}{x^{5}}$

Step-by-step explanation:

We want to simplify:

$\frac{13x^{-5}y^0}{5^{-3}z^{-10}}$

We rewrite as positive index to get:

$\frac{13y^05^{3}z^{10}}{x^{5}}$

This simplifies to

$\frac{13*1*125z^{10}}{x^{5}}$

This will finally give us:

$\frac{1625z^{10}}{x^{5}}$

We cannot simplify further.

Hence the simplest form is $\frac{1625z^{10}}{x^{5}}$

7 0

2 years ago

WILL GIVE A BRAINLIEST!! PLEASE HELP!!

tia_tia [17]

<span>3^5 * 6^-6 / 3^3 * 6^-4
= 3^2 6^-2
= 3^2 / 6^2
= 9/36
=1/4

answer
</span><span>C.
1/4</span>

5 0

2 years ago

What is the sum of 3.6 × 103 and 6.1 × 103?

ahrayia [7]

999.1 is the answer you multiply both then add

5 0

2 years ago

Read 2 more answers

SIMPLIFY (4-74+7) A. 223 B. 9 27 C. 9+2/7 D. 9

sesenic [268]

Answer:

The correct option is D.

Step-by-step explanation:

The given expression is

$(4-\sqrt{7})(4+\sqrt{7})$

Difference of two squares property:

$a^2-b^2=(a+b)(a-b)$

Using the above property, the given expression can be written as

$(4)^2-(\sqrt{7})^2$

Applying square we get

$16-7$

$9$

Therefore the correct option is D.

6 0

2 years ago

Write an expression to represent: Four less than the quotient of a number xxx and 555.

Katarina [22]

Answer: 4 - (xxx/555)

Explanation:

four less = four minus
quotient = the answer of a division problem
a number = the variable
the quotient of a number xxx and 555 = a number xxx divided by 555

5 0

3 years ago