Unit digit of 124 × 36 × 980 is _____________ - Mathematics

Unit digit of 124 × 36 × 980 is _____________

Fill in the Blanks

Unit digit of 124 × 36 × 980 is 0

shaalaa.com

Unit Digit of Numbers in Exponential Form

Is there an error in this question or solution?

Chapter 3: Algebra - Exercise 3.2 [Page 56]

Chapter 3 Algebra
Exercise 3.2 | Q 1. (i) | Page 56

If a = 3 and b = 2, then find the value of the following.

a^a – b^b

When the unit digit of the base and its expanded form of that number is 9, then the exponent must be ____________ power.

Match the following:

Group A Exponential form	Group B Unit digit of the number
(i) 20¹⁰	(a) 6
(ii) 121¹¹	(b) 4
(iii) 444⁴¹	(c) 0
(iv) 25¹⁰⁰	(d) 1
(v) 716⁸³	(e) 9
(vi) 729⁷²⁵	(f) 5

Find the unit digit of expanded form.

25²³

Find the unit digit of expanded form.

100¹²

Find the unit digit of expanded form.

34¹⁶

Find the unit digit of the following numeric expression.

114²⁰ + 115²¹ + 116²²

Find the unit digit of the following numeric expression.

10000¹⁰⁰⁰⁰ + 11111¹¹¹¹¹

Observe the equation (10 + y)⁴ = 50625 and find the value of y

The unit digit of (32 × 65)⁰ is