Question

State True or False: 1)Square of a number is positive, so the cube of that number will also be positive. 2) 999 is a perfect cube. 3) Cube roots of 8 are +2 and -2. +2 . 4) There is no number whose cube is the number itself 5) Cube root of a number ending with 5 ends with 5. ​

Answer 1

Answer:

1- False

2-false

3-false (only 2)

4-false

5-True

Step-by-step explanation:

1-

square of -2 is 4

but cube of -2 is -8

so it is false

2-999 is not a perfect cube

3-cube root of 8 is only 2,

because,

2×2×2=8

but -2×-2×-2 = -8

so the statement is false

4-

cube of 1 is 1

so it the statement is false

5-

cube of 5 is 125

cube of 15 is 3375

so the statement is true .

hope u get your answers with reason .

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Answer 2

Answer:

Step-by-step explanation:- False

2-false

3-false (only 2)

4-false

5-True

Step-by-step explanation:

1-

square of -2 is 4

but cube of -2 is -8

so it is false

2-999 is not a perfect cube

3-cube root of 8 is only 2,

because,

2×2×2=8

but -2×-2×-2 = -8

so the statement is false

4-

cube of 1 is 1

so it the statement is false

5-

cube of 5 is 125

cube of 15 is 3375

so the statement is true .

hope u get your answers with reason .

plz mark me as brainliest .

I'm helping so many people but no one marks me as a brainliest

(Both IDs are mine)