Help with some questions please Brainilest answer !/

Answers

Answer 1

Answer: ok , lots of questions=lower standard of explanation
just answers

5. 8.5 times 10^12
6. 0.001260-7,003,000
7.3.843 times 10^4
9. x=1
10. 7^(x+5)=49^(x+3)
11. 1.03
12. 25,700(0.85)^x
13. 10a√a
14. $2 x^(2) y^(4) \sqrt[3]{5x^(2)}$
15.6√3
16. $(2 √(3x) )/(3x)$
17. $4 \sqrt[3]{x^(2)}$
18. $64 x^{ (10)/(3) } y^{ (5)/(2) }$
19.√109
20. (8,(3/2))
21. 5 units

Answer 2

Answer: 8.5 × 10^126.) .001260 - 70030007.) 3.843 × 10^59.) X=110.) 7 ^x + 5 = 49 ^ x + 311.) 312.) A (or the first one)13.) The third one14.) I would guess the third one15.) The first one16.) The last one17.) The second one18.) The third one19.) The last one20.) The last one21.) The last one

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Is 7/10 a rational or irrational

Answers

The number 7/10 is a rational number.

A rational number is any number that can be expressed as the ratio of two integers, where the denominator is not zero.

In the case of 7/10, both the numerator (7) and the denominator (10) are integers.

Since 7/10 can be written as the fraction of two integers, it falls under the category of rational numbers.

Rational numbers can be expressed as fractions or terminating or repeating decimals.

In this case, 7/10 can be written as the fraction 7/10 or as the decimal 0.7, which is a terminating decimal.

Learn more about rational number here:

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Rational. Hope that helps!

-1/2 - 3/5 ?? and in simplest form

Answers

First find common denominators.

-1/2
-3/5

Multiply 5 to numerator and denominator of (-1/2), and 2 to numerator and denominator for (-3/5).

(-1/2)(5/5) - 3/5(2/2)

Simplify:
-5/10 - 6/10

Combine terms.

-5 - 6 = -11

-11/10, or - 1 1/10 is your answer

hope this helps

Simplest form of given expression, $-(1)/(2)-(3)/(5)$ is -11/10

A number that has a whole number and a fractional component separated by a decimal point is a decimal. The decimal point is the dot that appears between the parts of a whole number and a fraction.

Given expression, $-(1)/(2)-(3)/(5)$ can be solved as follows:

Take the LCM of denominator, LCM of 2 and 5 is 10.

Multiply first number by 5 and second number by 2 as follows:

$=-(1* 5)/(2* 5)-(3* 2)/(5*2)\n\n=-(5)/(10)-(6)/(10)\n\n=(-5-6)/(10)\n\n=-11/10$

Thus, $-(1)/(2)-(3)/(5)$ in its simplest form, is -11/10

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Round 845,001 to the nearest

Answers

-- Rounded to the nearest ten, hundred, or thousand,
845,001 becomes 845,000 .

-- Rounded to the nearest ten thousand, 845,001 becomes 850,000 .

-- Rounded to the nearest hundred thousand, 845,001 becomes 800,000 .

-- Rounded to the nearest million, 845,001 becomes 1,000,000 .

-- Rounded to the nearest ten million or any higher order of magnitude,
845,001 becomes zero.

What is seven an twenty-six one hundredths rounded to the nearest whole number?

Answers

The number seven an twenty-six one hundredths rounded to the nearest whole number is; 7.

The whole number in this scenario is; number 7.

Additionally, the twenty-six one hundredths can be written numerically as;

26/100.

= 0.26

In essence, the number seven and twenty-six one hundredths can be written numerically as;

= 7.26

To round off the number to the nearest whole number requires evaluation of the number after the decimal and rounding off to 1 if greater or equal to 5 and to 0 if otherwise.

Since the number in this scenario is 2;

The number 2 is then rounded off to 0.

Therefore, the number seven an twenty-six one hundredths rounded to the nearest whole number is; 7.

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7.26 is rounded to 7 as a whole number because the tenths place is less than 5

How can you write 0.15 in a fraction

Answers

In order to write a decimal as a fraction, you simply need to put all the numbers in the decimal as the numerator of the fraction, and then put a multiple of 10 with as many zeros as there are numbers to the right of the decimal point as the denominator.

0.15 = $(15)/(100)$

We can reduce our resulting fraction, since both numerator and denominator are divisible by 5.

$(15 / 5)/(100 / 5) = (3)/(20)$

Which is our final answer.
0.15 written as a fraction is $(3)/(20)$ .
Hope that helped! =)

15/100, since theres 2 digits in 15 the very last digit is the "100th" decimal place

a family pass to amusement park cost $54 using distributive property write an expression that can be used to find the cost in dollars of 8 family passes

Answers

54 divided by 8 so you have to solve that