230 + 230 + 230 + 230 =
  • a)
    8120
  • b)
    830 
  • c)
    232 
  • d)
    230 
  • e)
    226
Correct answer is 'C'. Can you explain this answer?

UPSC Question

By Balwinder Singh · Apr 16, 2020 ·UPSC
12 Answers
Saad Saad answered Nov 08, 2018
4 (2^30) = 2^2 ×2^30 = 2^32

Anushka Mehra answered May 28, 2020
I can't understand it

Sandeep Kumar answered 4 days ago
4×(2^30)=2^2×2^30
= 2^32

* In multiplication if base are equal we can add powers

* In division if base are equal we can subtract the powers

example:

3^5/3^3 = 3^(5-3)= 3^2

Chhavi Tripathi answered 3 weeks ago
Aap aise question kaha se late ho , please tell me.

Ssssssss Ddd answered 3 weeks ago
4(2^30)=2^2 * 2^30 =2^(30+2)= 2^32

Anagha Devi Prasad answered 3 weeks ago
4(2^30) = 2^2(2^30)=2^(2+30)=2^32

Pragati Pathak answered Apr 30, 2020
How? plz find this answer..

Neeraj Barsiwal answered 3 weeks ago
Vobdmas rule use there

Sidharth Gupta answered Mar 26, 2020
B is right one

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