Question

Вычислите: а) 3,22*10; 0,45*10; 6,9*10; 0,3*10; 0,08*10.б) 1,257*100; 40,78*100; 0,005*100; 0,23*100; 0,6*100.в) 15,32*1000; 5,1*1000; 0,00029*1000; 0,003*1000; 0,72*10000​

Answer 1

а)

$\displaystyle \tt 3,22\cdot10=32,2\\\displaystyle \tt 0,45\cdot10=4,5\\\displaystyle \tt 6,9\cdot10=69\\\displaystyle \tt 0,3\cdot10=3\\\displaystyle \tt 0,08\cdot10=0,8$

б)

$\displaystyle \tt 1,257\cdot100=125,7\\\displaystyle \tt 40,78\cdot100=4078\\\displaystyle \tt 0,005\cdot100=5\\\displaystyle \tt 0,23\cdot100=23\\\displaystyle \tt 0,6\cdot100=60$

в)

$\displaystyle \tt 15,32\cdot1000=15320\\\displaystyle \tt 5,1\cdot1000=5100\\\displaystyle \tt 0,00029\cdot1000=0,29\\\displaystyle \tt 0,003\cdot1000=30\\\displaystyle \tt 0,72\cdot10000=720$