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3 years ago

3 7/10 + 5 3/4 + 3/4

Mathematics

1 answer:

12345 [234]3 years ago

6 0

Answer: 10.2 = 10 1/5

Step-by-step explanation:

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What is the nonpermissible replacement of y-3/y+3

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Y = -3
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What is the answer of 11 6/9 - 4 4/9

IrinaK [193]

Answer:

$7 \frac{2}{9}$

Step-by-step explanation:

here is your answer

Calculation steps:

$11 \frac{6}{9} - 4 \frac{4}{9}$

$= (14 - 4) + ( \frac{6}{9} - \frac{4}{9} )$

$= 7 + \frac{6 - 4}{9}$

$= 7 + \frac{2}{9}$

$7 \frac{2}{9}$

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2 years ago

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Tell whether the number 68 is a prime or composite number

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68 is composite it has more factors than 1 and itself

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Kristen was asked to write each of the numbers in the expression 80,000 x 25 using exponents. Her response was (8 x 10 to the po

Gnom [1K]

Kriste respone is wrong

Solution:

Given that,

Kristen was asked to write each of the numbers in the expression 80,000 x 25 using exponents

Her response was (8 x 10 to the power of 3) x 5 to the power of 2

No, the response of Kristen is wrong

Let us first understand about exponents

An exponent refers to the number of times a number is multiplied by itself

Given expression is:

$80000 \times 25$

Here, 80000 has 4 zeros

Therefore, it can be raised as 10 power 4

$80000 = 8 \times 10^4$

Thus the expression becomes:

$80000 \times 25 = 8 \times 10^4 \times 25$

Also, 25 can be written as 5 power 2

$80000 \times 25 = 8 \times 10^4 \times 5^2$

Thus given expression is written as (8 x 10 to the power 4) x 5 power to the power 2

Thus Kristen respone is wrong, because he has raised 10 to power 3

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3 years ago