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400 = 4.0 × 102
400 = four hundred
(25/100) x (1/100) = 25/10000 = 1/400
1 billion is 1,000,000,000 400 million is 400,000,000 added together is 1,400,000,000
459 = 400 + 50 + 9 400 = 500 - 100 9 = 10 - 1 I is 1. X is 10. L is 50. C is 100. D is 500. CDLIX is 459.
0.25%% rate:= 1/400 * 100%= 0.0025 * 100%= 0.25%
0.25% = 1/400
400 percent = 4.0 or 4/1
1 400 000
1 million = 1,000,000 → 4 hundred million = 400 × 1 million = 400 × 1,000,000 = 400,000,000
Let's write it as 3600x = 400.Divide both sides by 3600: x=400/3600Simplify: x=1/9
400 = 202
Write it as in the question!
400 micrograms can be written as "400 mcg" or "400 µg".
400 = four hundred.
400 = four hundred
400 = 4.0 × 102