( 1)3(2) 1(3)6.584(4)22

3. Let's use the scientific counting method.

( 1)-4000(2)37000(3) 1260000(4)-23600000000

4. Use scientific counting methods.

(1)/kloc-0 /×10 (there are 6 in the upper right corner of10) (2)-3.05×10 (there are 5 in the upper right corner of 65438 (3) 2.58×/kloc-0).