1) 
2) 
3) 
4)
A)
39000;" alt="(5.4 * 10^4) and (3.9*10^4); (54000) and (39000); 54000 > 39000;" align="absmiddle" class="latex-formula">
3.9 * 10.4;" alt="5.4 * 10^4 > 3.9 * 10.4;" align="absmiddle" class="latex-formula">
B)
0.0000025;" alt="2.5 * 10^{-5}..and..2.5 * 10^{-6}; 0.000025..and..0.0000025; 0.000025 > 0.0000025;" align="absmiddle" class="latex-formula">
2.5 * 10^{-6};" alt="2.5 * 10^{-5} > 2.5 * 10^{-6};" align="absmiddle" class="latex-formula">
C) Аналогично,
7.9 * 10^{-7};" alt="7.4*10^7 > 7.9 * 10^{-7};" align="absmiddle" class="latex-formula">
5) 1 кв. м. = 100 x 100 кв. см.
Значит, 1 кв. см. =
кв. м.
;
Аналогично,
кв. км.;