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2 years ago

Write as a power of 10. How did you do it? a) 100 b) 10 000 c) 100 000 d) 10 e) 1000 f) 1 000 000

Mathematics

1 answer:

vladimir2022 [97]2 years ago

8 0

Answer: ↓↓↓

Step-by-step explanation:

a.) 100 - 10^2

b.) 10,000 - 10^4

c.) 100,000 - 10^5

d.) 10 - 10^1

e.) 1000 - 10^3

f.) 1,000,000 - 10^6

What I do personally is that I count the number of zeros in the number and that is how many powers the ten powers to. Like a, there are two zeros in 100 so its 10 to the power of 2.

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1. Express 14/100 as a negative exponent.

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Step-by-step explanation:

Number 1

$= \frac{14}{100}$

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2 years ago

Which of the following sets are closed under multiplication? Select all that apply.

ivolga24 [154]

Answer:

Integers, whole numbers and polynomials are sets of closed under multiplication.

Only Irrational numbers are not the sets of closed under multiplication.

Step-by-step explanation:

To find : Which of the following sets are closed under multiplication?

1. Integers

Yes, integers is a sets of closed under multiplication as if you multiply an integer by an integer, you will always get another integer.

Example - $3\times 3=9$ is an integer

2. Irrational numbers

No, irrationals are not closed under multiplication.

Example - $\sqrt{3} \times \sqrt{3} =3$ is a rational number

3. Whole numbers

Yes, whole numbers is a sets of closed under multiplication as if you multiply a whole number by a whole number, you will always get another whole number.

Example - $5\times 5=25$ is a whole number

4. Polynomials

Yes, polynomial is sets of closed under multiplication as if you multiply the variables' exponents are added, and the exponents in polynomials are whole numbers so the new exponents will be whole numbers.

Example - $(x + 1)(x^2 + 4x + 3) = x^3 + 5x^2 + 7x + 3$ is a polynomial.

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3 years ago

Read 2 more answers

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yawa3891 [41]

see the attached figure to better understand the problem

Step 1

Find the number of pages printed on an Apricot printer

we know that

The speed of an Apricot printer is 8ppm

in 4.5 min

Carlos print

4.5*8=36 pages

step 2

Find the time it takes Carlos to print the same amount of documents on a sure fire printer printer

we know that

The speed on a sure fire printer is 12ppm

Divide the total of pages by the speed of the printer

36/12=3 minutes

therefore

the answer is

3 minutes

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3 years ago