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Illusion [34]
1 year ago
5

Scientific notation, 8th grade math KA- correct answers only thx

Mathematics
2 answers:
mestny [16]1 year ago
6 0
The answer is 3.84*10^{-2}
leonid [27]1 year ago
3 0

Answer:

3.84 * 10^{-2}

Step-by-step explanation:

You can convert the first one into 0.041 as it is multiplied by 10^{-2. The second one can be converted into 0.0026 as it is multiplied by 10^{-3.

0.041-0.0026=0.0384. In scientific notation, this is 3.84 * 10^{-2}.

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Answer:

y = 5

Step-by-step explanation:

Step 1: Write equation

-(4y + 2) - (-3y - 6) = -1

Step 2: Solve for <em>y</em>

  1. Distribute: -4y - 2 + 3y + 6 = -1
  2. Combine like terms: -y + 4 = -1
  3. Subtract 4 on both sides: -y = -5
  4. Divide both sides by -1: y = 5

Step 3: Check

<em>Plug in y to verify it's a solution.</em>

-(4(5) + 2) - (-3(5) - 6) = -1

-(20 + 2) - (-15 - 6) = -1

-22 - (-21) = -1

-22 + 21 = -1

-1 = -1

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3 years ago
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AleksandrR [38]
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3 years ago
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2(2x+3) = -6(x+9) how do i solve this problem
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Answer: x= -21/10

Step-by-step explanation:

Use distributive property and combine like terms to solve.

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