Advertisements
Advertisements
प्रश्न
If a = 3 and b = 2, then find the value of the following.
(a – b)a
योग
उत्तर
(a – b)a
Substituting a = 3 and b = 2
we get (3 – 2)3
= 13
= 1 × 1 × 1
= 1
shaalaa.com
Unit Digit of Numbers in Exponential Form
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Algebra - Exercise 3.1 [पृष्ठ ५२]
APPEARS IN
संबंधित प्रश्न
If a = 3 and b = 2, then find the value of the following.
ab + ba
If a = 3 and b = 2, then find the value of the following.
aa – bb
If a = 3 and b = 2, then find the value of the following.
(a + b)b
Unit digit of 124 × 36 × 980 is _____________
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.
1110
Find the unit digit of expanded form.
10012
The unit digit of the numeric expression 1071 + 1072 + 1073 is
