Value of (10²² + 10²⁰)/10²⁰ is
a. 10
b. 10⁴²
c. 101
d. 10²²

Solution:

Given

(10²² + 10²⁰)/10²⁰

Using a^m/aⁿ = a^m-n as m > n

We can write it as

(10²²/10²⁰)+ (10²⁰/10²⁰) = 10^22-20 + 1

By further simplification

= 10² + 1

= 100 + 1

= 101

Therefore, the value is 101.

✦ Try This: For any two non-zero rational numbers x and y, x⁹ ÷ y⁹ is equal to

☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 13

---

NCERT Exemplar Class 7 Maths Chapter 11 Problem 7

Value of (10²² + 10²⁰)/10²⁰ is: a. 10, b. 10⁴², c. 101, d. 10²²

Summary:

Value of (10²² + 10²⁰)/10²⁰ is 101.

---

☛ Related Questions:

• The standard form of the number 12345 is: a. 1234.5 × 101, b. 123.45 × 102, c. 12.345 × 103, d. 1.23 . . . .
• If 21998 - 21997 - 21996 + 21995 = K.21995, then the value of K is: a. 1, b. 2, c. 3, d. 4
• Which of the following is equal to 1: a. 20 + 30 + 40, b. 20 × 30 × 40, c. (30 - 20) × 40, d. (30 - . . . .