3 years ago

1. -7-(-2) *

Mathematics

1 answer:

Morgarella [4.7K]3 years ago

8 0

1. -7-(-2)
= -7+2= -5

2. 5-(-3)
= 5+3=8

3. -6-4
= -6+(-4)= -10

4. -3-(-3)
= -3+3= 0

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What is a perfect cube and how can you check if a given number is a perfect cube? Explain why.

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Answer:

Read below.

Step-by-step explanation:

A perfect cube is a number cubed (If that makes sense). Such as 3³ will equal a perfect cube because it's being multiplied by itself 3 times. 3×3×3=9. It will work for any whole number. You can check if a given number is a perfect cube by using the cube root ( $\sqrt[3]{x}$ ).