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Start learning 50% faster. Sign in nowFrench scientists have revived a 48,500 - year - old Zombie Virus buried under a frozen lake in Russia . The scientists revived and characterized 13 new pathogens, what they termed ‘ Zombie Viruses ’ , and found that they remained infectious despite spending many millennia trapped in the frozen ground . The new strain is one of the 13 viruses described in the study, each with its own genome .
20% of 450 - 15% of 400 = 25% of ?
(2500 ÷ √625) × √(42.25) = ? ÷ 4
3.3 Times 2/27 of 40% of 364=?
Simplify the expression:
(9x² - 25) / (3x + 5)
? = (25% of 20% of 800) × 8 – 25% of 260
(70% of 480) ÷ 6 + ? = 45% of 3500 + 802+ 272
