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Darya [45]
2 years ago
9

Index and laws evaluate A) 55^0 B)100^1

Mathematics
2 answers:
lisabon 2012 [21]2 years ago
5 0

Answer:

Step-by-step explanation:

Hey there!

so answer for (A is 1)

Answer for (B is 100)

Thank you have fun!

Serggg [28]2 years ago
5 0

Answer:

Step-by-step explanation:

a) 55^{0} = 1

Anything raised to power 0 is 1

b) 100^{1} =100

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What numerical expression is equivalent to (2^2)^3
oksian1 [2.3K]

Answer:2*2=4

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Step-by-step explanation:

5 0
2 years ago
What is the value of (7 + 2i)(3 - i)?
Harrizon [31]
There are two ways to work this out: normal variables or using "imaginary" numbers.

Normal variables:
(7+2i)(3-i)\\(7*3)+[7*(-i)]+(3*2i)+[2i*(-i)]\\21-7i+6i-2i^{2}\\\\21-i-2i^{2}

Imaginary numbers:
Using the result from earlier:
21-i-2i^{2}
Now since i = \sqrt{-1}, then the expression becomes:
21-i-2i^{2}\\21-i-2(\sqrt{-1})^{2}\\21-i+(-2)(-1)\\21-i+2\\\\23-i
7 0
3 years ago
The price of a microwave oven went up from $75 to $90; then went on sale for $57. What is the percent decrease from the original
Arisa [49]

Answer:

<u>The percent decrease of the microwave from the original price to the sale price is 24%</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Original price of a microwave = $ 75

Mark-up price of the microwave = $ 90

Sale price of the microwave = $ 57

2. What is the percent decrease from the original price to the sale price?

For answering this question we will use the Direct Rule of Three this way:

Price         Percentage

75                 100%

57                   x

75x = 57 * 100

75x = 5,700

x = 5,700/75

x = 76

76 = 100 - 24

<u>The percent decrease of the microwave from the original price to the sale price is 24%</u>

5 0
3 years ago
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bija089 [108]
3 sodas cost $2.97 +.15 tax total $3.12
8 0
3 years ago
Do you guys know this? 82 − − 33 = 35
jenyasd209 [6]

um...

Step-by-step explanation:

6 0
2 years ago
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