What’s the difference between numbers that are to the power of with parentheses and no parentheses. For example (-2/5)^3 and -2/

Question

2 years ago

5

5^3. Please explain this rule and thank you.

1 answer:

Verdich [7] · Answer 1 · 2023-04-18T10:35:12+03:00

8 0

Answer:

See below

Step-by-step explanation:

The first one 'cubes' the denominator AND the numerator:

(-2/5)^3 = -2/5 * -2/5 * -2/5 = -8/125

The second one 'cubes' only the denominator:

-2/5^3 = -2 / (5 * 5 * 5) = - 2 / 125