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4 years ago

How to write unit form for (2 tens 1 one) x 10

1 answer:

3 0

Numbers are arranged by their place values. Place values give a quantity of value to a certain digit in a number. Given a number, the rightmost number is the ones place, followed by the tens place, hundreds, thousands, ten thousands, hundred thousands, millions, ten millions, hundred millions, as so on and so forth. The place value of a certain digit is 10 times bigger than its adjacent digit to the right.

So for this problem, all you have to do is multiply the number of units of each place value, then multiple them all by 10.

(2(10) + 1(1))×10
21 × 10 = 210

Therefore, the number is equivalent and written as 210.

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The highest temperature recorded in Centerville last year was 99°F on July 11. The lowest temperature was -13°F on January 16. W

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Answer:

The answer to your question is: ΔT = 112°F

Step-by-step explanation:

Data

highest temperature = 99°F

lowest temperature = -13 °F

Difference = ?

Process

ΔT = highest T - lowest T

Δ T = 99 - (-13)

ΔT = 99 + 13

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3 years ago

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3 years ago

Write an expression for the net change in charge if two electrons are added to each of six atoms in a group. Also, write an expr

dusya [7]

Given:

Two electrons are added to each of six atoms in a group.

To find:

The expression for the net change in charge.

Solution:

Charge of atoms = Number protons - Number of electrons.

Let number of atoms be x.

6 atoms = 2 electrons added

1 atom = $\dfrac{2}{6}$ electrons added

1 atom = $\dfrac{1}{3}$ electrons added

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Therefore, the net change in charge is represented by the expression $-\dfrac{1}{3}x$ because we subtract number of electrons to find atom charge, where, x is the number of atoms.

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3 years ago

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