Express`(-247)/(228)` in standard form.

Express (728)/(-112) in standard form.

Express (33)/(-44) in standard form.

Express 51/(-68) in standard form.

Express 2345789 in standard form.

Express 32 × 10000000 in standard form.

( i ) Express 2000000 in standard form. ( ii ) Express 6.4 xx 10^(5) in usual form.

Express 2,36,00,000 in standard form.

(i) 1 micron = (1)/( 1000000)m. Express it in standard from. (ii) Size of a bacteria = 0.0000004m. Express it in standard from. (iii) Thickness of a paper = 0.03 mm. Express it in standard form.