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Ilia_Sergeevich [38]
3 years ago
9

Express 0.5401 in scientific notation

Mathematics
1 answer:
Ray Of Light [21]3 years ago
6 0

Answer:

5.401×10^-1

Step-by-step explanation:

You move the decimal over one to get5.401×10^−1

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Murrr4er [49]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
1) Factorise 3x^2 + 5x + 2<br> 2) Hence, solve x^2 + 5x + 2
I am Lyosha [343]

Answer: (x+1)(3x+2) , i only got the answer for the first question, sorry!

Step-by-step explanation:

- factorise using AC method

AC= 3 x 2 = 6

find 2 numbers that add to give 5 and multiply to give 6 (3 and 2)

- put them as x in the equation to replace 5x

3x^2 + 2x + 3x + 2

- split the equation in half and expand each side

3x^2+2x | 3x+2

x(3x+2)+1(3x+2)

- put the numbers outside the brackets into a separate bracket

= (x+1)(3x+2)

7 0
2 years ago
Evaluate the following expressions for x = 2.Which expression is equivalent to (–3y – x) – (5y – 8x)?
QveST [7]

Step-by-step explanation:

-3 -(5y-8x)-x-(5y-8x

<em>1</em><em>5</em><em>y</em><em>*</em><em>y+</em><em>2</em><em>4</em><em>x</em><em>y</em><em>-</em><em>5</em><em>x</em><em>y</em><em>+</em><em>6</em><em>x</em><em>*</em><em>x</em>

<em>1</em><em>5</em><em>y</em><em>*</em><em>y+</em><em>1</em><em>9</em><em>x</em><em>y</em><em>+</em><em>6</em><em>x</em><em>*</em><em>x</em>

4 0
3 years ago
Estimate the quotient 722 divided by 9
anygoal [31]

Answer: 72

Step-by-step explanation:

722 —> 720

9 —> 10

72 divided by 1 is 72

5 0
3 years ago
Please help please thank you
Liono4ka [1.6K]
Dnndhdhdhjshshshsnb
Since u done it on mine :) djhshdhd
7 0
3 years ago
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