2.6
0.0429
23.0769
0.0769
1 + 1,000,000,000 = 1 billion + 12 + 999,999,999 = 1 billion + 13 + 999,999,998 = 1 billion + 14 + 999,999,997 = 1 billion + 15 + 999,999,996 = 1 billion + 1...499,999,999 + 500,000,001 = 1 billion + 1Altogether, you have (500 million) pairs, each one adding up to (1 billion + 1).The sum is 500,000,000,500,000,000 .That's (500 million billion) plus (500 million) .
2.6
0.5385
Christianity: 2 billion, Hinduism: about 700 million, Islam: 1.3 billion, Judaism:13 million I do not know about Buddhism but i would think not over 300 million
13
0.0429
0.0417
It is 0.13*1 billion = 130 million
23.0769
0.0769
0.3846
13% of 7 billion = 910 million = 13% * 7000000000 = 13%/100% * 7000000000 = 13 * 70000000 = 910000000
25