What is -8.05 as a mixed fraction

Mathematics

2 answers:

Mashcka [7]3 years ago

4 0

The answer to this is 8 1/2.

slavikrds [6]3 years ago

4 0

Answer: -8 1/20

Step-by-step explanation:

1. First convert the decimal to a fraction by placing the decimal over a power of 10, because there are two numbers to the right of the decimal point, place the decimal over 10^2 (100). Then, add the whole number to the left of the decimal.

-8 5/100

2. Reduce the fractional part of the mixed number.

-8 1/20

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Which of the following is equal to the expression below?

Elena L [17]

Answer:

Step-by-step explanation:

This can be simplified into

$8^{\frac{1}{3}}*320^{\frac{1}{3}}$

which is saying that you are taking the cubed root of each of those bases. The cubed root of 8 comes out evenly, to 2 (since 2*2*2 = 8). The cubed root of 320 is not so simple. To find it, find the complete factorization of 320. 320 factors to: 5 * 2*2*2*2*2*2 or

$\sqrt[3]{320}= \sqrt[3]{5*2^6}$

Split that 2^6 up into increments of 3's to make the simplifying a bit easier:

$\sqrt[3]{5*2^3*2^3}$

Because the index (the little number sitting in the bend of the radial sign) matches the power on both the 2's we can pull both the 2's out front, leaving:

$4\sqrt[3]{5}$