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slamgirl [31]
2 years ago
14

Scientific Notation, if you could help that would be wonderful!

Mathematics
1 answer:
Umnica [9.8K]2 years ago
8 0

Answer:

1:D

2:A

3:C

4:E

5:B

Step-by-step explanation:

A negative exponent will be when you move the decimal point to the left. A positive exponent will be moving the decimal point to the right.

The number of the exponent is how many times you will move the decimal point.

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yaroslaw [1]
94 MINUS 68 EQUAL 26 DOLLARS MIN HAS
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Write each fraction as a unit fraction<br> 12/84<br> 13/143<br> 23/138
alexandr1967 [171]
A unit fraction is a fraction whose numerator is 1.

\frac{12}{84}=\frac{12 \div 12}{84 \div 12}=\frac{1}{7} \\ \\&#10;\frac{13}{143}=\frac{13 \div 13}{143 \div 13}=\frac{1}{11} \\ \\&#10;\frac{23}{138}=\frac{23 \div 23}{138 \div 23}=\frac{1}{6}
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3 years ago
Which number line represents the solution set for the inequality –4(x 3) ≤ –2 – 2x?
Anna71 [15]

The solution to the inequality expression is x ≥ - 5

<h3>Inequality expressions</h3>

Inequality are expressions not separated by an equal sign. Given the inequality;

–4(x + 3) ≤ –2 – 2x

Expand

-4x - 12  ≤ -2 - 2x

Collect the like terms

-4x + 2x  ≤ -2 + 12

-2x  ≤  10

Divide both sides by -2

-2x/-2  ≤ 10/-2
x ≥ - 5

Hence the solution to the inequality expression is x ≥ - 5

learn more on inequality here: brainly.com/question/24372553

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3 0
2 years ago
What is the value of variable for -4(y - 2) = 12<br> Explain please
Scrat [10]

Answer:

-4(y - 2) = 12

Standard form:

−4y − 4 = 0

Factorization:

−4(y + 1) = 0

Solutions:

y = −4

4

= −1

Step-by-step explanation:

7 0
3 years ago
What number must be added to the expression below to complete the square? x2+x
iren2701 [21]

Answer:

answer is 1/4

Step-by-step explanation:

proof is (x-1/2)²= x²-2*1/2*x+1/4= x²-x+1/4

4 0
3 years ago
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