已知lg2=0.301,求 log2*1000
问题描述:
已知lg2=0.301,求 log2*1000
答
根据公式lgab=lga+lgb,
lg2*1000=lg2+lg1000=lg2+lg10^3
=0.301+3=3.301
答
lg2+lg1000=0.301+3=3.301
答
3+0.3010=3.3010