Question 27
In the following question, out of the four options, only one is correct. Write the correct answer.
(110)0 is equal to
(a) 0
(b) 110
(c) 1
(d)10
Using law of exponents , a0=1 ∴(110)0=1
Question 19
In the following question, out of the four options, only one is correct. Write the correct answer:
(−75)−1 is equal to: (a) 57 (b) -57 (c) 75 (d) −75
Question 32
Cube of −12 is
(a) 18
(b) 116
(c) −18
(d) −116
Question 20
(−9)3÷(−9)8 is equal to: (a) (9)5 (b) (9)−5 (c) (−9)5 (d) (−9)−5
Question 9
In the following question out of the four options only one is correct, write the correct answer.
Which of the following is a linear expression?
(a) x2+1
(b) y+y2
(c) 4
(d) 1 + z