Question

Exprimati:a)3zile 2h 1 min in secunde b)aria de 2345,5m² in ari c)2 zile 3h 4 min in secunde d)aria de 143,5 dam² in hectare

Answer 1

a) o zi are 24 ore = 24* 3600= 86400 secunde
1 ora are 3600 secunde ,
2 ore are 2* 3600 = 7200 secunde
1 minut are 60 secunde
3 zile are 86400 * 3 = 259200 secunde
3 zile 2h1min= 259200+ 7200+60 = 266460 secunde
b) 1mp= 0,01 ari
2345,5mp= 2345,5*0,01=23,455 ari