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Marrrta [24]
2 years ago
8

What is the difference when −2 is subtracted from 2?

Mathematics
2 answers:
lions [1.4K]2 years ago
6 0

Answer:

4

Step-by-step explanation:

2-(-2)=2+2=4

ZanzabumX [31]2 years ago
3 0
The answer is 4.
The equation would look like 2-(-2). The negatives cancel each other out so it would be 2+2 which is 4. They only cancel each other out when the negatives are right next to each other in an equation. For example, -2-2 would be -4 and there would be no addition.
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A+1=1 find the value of b^a​
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a+1=1

a=1-1

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b^0

whenever power is 0 answer is always one

so value of b^a is 1

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How to convert base two to base three​
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Consider this example: say we want to convert <em>x</em> = 11 0101 1001₂ to base 3.

The binary expansion of <em>x</em> is

<em>x</em> = 1×2⁹ + 1×2⁸ + 1×2⁶ + 1×2⁴ + 1×2³ + 1×2⁰

which in base 10 reduces to

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3⁰ = 1; 3¹ = 3; 3² = 9; 3³ = 27; 3⁴ = 81; 3⁵ = 243; 3⁶ = 729

Now it's a matter of computing quotients and remainders. Pick the largest power of 3 that fits into the target number, then check the remainder and repeat.

• How many times does the 729 go into 857? 1 time, and it leaves a remainder of 128, or

857 = 1×729 + 128 = 1×3⁶ + 128

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128 = 1×81 + 47 = 1×3⁴ + 47

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47 = 1×27 + 20 = 1×3³ + 20

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20 = 18 + 2 = 2×9 + 2 = 2×3² + 2

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So we found

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<em>x</em> = 1 011 202₃

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