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Artemon [7]
3 years ago
6

What is 18= -a ? pls help

Mathematics
1 answer:
irina1246 [14]3 years ago
7 0

Answer:

a=-18

Step-by-step explanation:

It is the same as -1a=18, so you can just transfer that negative to the other side

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(2 tens 1 one)x10 in unit form and standard form
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When the number expression given as (2tens 1 one) x 10 is written in standard form, the standard form is 210 and the unit form is 2 hundred, and 1 ten

<h3>How to write the number in standard form?</h3>

The number expression is given as:

(2tens 1 one) x 10

2 tens is represented as:

2 * 10

1 one is represented as:

1 * 1

So, the number expression can be rewritten as:

(2tens 1 one) x 10 = (2 * 10 + 1 * 1) x 10

Evaluate the product

(2tens 1 one) x 10 = (20 + 1) x 10

Evaluate the sum

(2tens 1 one) x 10 = (21) x 10

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When the number expression given as (2tens 1 one) x 10 is written in standard form, the standard form is 210 and the unit form is 2 hundred, and 1 ten

Using the above steps as a guide, we have:

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Read more about standard form at

brainly.com/question/19169731

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