4 years ago

You can buy a ten pound bag of apples for 12.70 express this situation in as a ratio

Mathematics

1 answer:

Sav [38]4 years ago

7 0

What does it want a unit rate? or?

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Which number is the same as ? A. -2 B. 1/8 C. 2 D. 32 E. 512

MissTica

Answer:

Step-by-step explanation:

$a^{-m}=\frac{1}{a^{m}}\\\\\frac{1}{a^{-m}}=a^{m}\\\\\\a^{m}*a^{n}=a^{m+n}\\\\\frac{a^{m}}{a^{n}}=a^{m-n}$

$(a^{m})^{n} = a^{m*n}$

In exponent multiplication, if two numbers have same base, just add the exponents

In exponent division, if two numbers have same base, just subtract the exponents

Prime factorize 4 = 2*2 = 2²

4⁻¹ *(2³÷ 4⁻² )= (2²)⁻¹ * ( 2³÷ (2²)⁻²

= (2⁻²)* (2³ ÷2⁻⁴)

$= 2^{-2} * (2^{3-[-4]})\\\\= 2^{-2} * (2^{3+4})\\\\= 2^{-2} * 2^{7}\\\\= 2^{-2+7}\\\\= 2^{5}\\\\= 2 * 2 * 2 * 2 * 2\\\\= 32$

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Step-by-step explanation:

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Step-by-step explanation:

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