2 years ago

8,128 in expanded form

Mathematics

1 answer:

Brilliant_brown [7]2 years ago

3 0

Answer:

8000,100,20,8

Step-by-step explanation:

explantion

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$\large\boxed{ \sf{Answer}}$

$4x - ( - 2) = 18 \\ 4x + 2 = 18 \\ 4x = 18 - 2 \\ 4x = 16 \\ x = \frac{16}{4} \\ x = 4$

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Montano1993 [528]

Answer:

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Step-by-step explanation:

Our expression is: $\frac{1}{3} \sqrt[3]{81}$ .

Let's focus on the cube root of 81 first. What's the prime factorisation of 81? It's simply: 3 * 3 * 3 * 3, or $3^3*3$ . Put this in for 81:

$\sqrt[3]{81} =\sqrt[3]{3^3*3}=\sqrt[3]{3^3} *\sqrt[3]{3}$

We know that the cube root of 3 cubed will cancel out to become 3, but the cube root of 3 cannot be further simplified, so we keep that. Our outcome is then:

$\sqrt[3]{3^3} *\sqrt[3]{3}=3\sqrt[3]{3}$

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Step-by-step explanation:

Ratio of length to width = 7 : 4

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