Indices Class 7 Practice Set 28 Answers Solutions Chapter 6
Question 1
Maharashtra Board Solution
Simplify: i. a6 ÷ a4 ii. m5 ÷ m8 iii. p3 ÷ p13 iv. x10 ÷ x10
Solution & Step-by-Step Answer:
i. a6 ÷ a4 = a6-4 = a2
ii. m5÷ m8
= m5-8
= m-3
iii. p3÷ p13
= p3-13
= p-10
iv. x10÷ x10
= x10-10
= x0= 1
Question 2
Maharashtra Board Solution
Find the value of: i. (-7)12 ÷ (-7)12 ii. 75 ÷ 73 iii. iv. 47 ÷ 45
Solution & Step-by-Step Answer:
i. (-7)12 ÷ (-7)12 = (-7)12-12 = (-7)0 = 1
ii. 75÷ 73
= 75-3
= 72
= 49
iii.
iv. 4 ÷ 4
= 47-5
= 42
= 16