Q. [+25]

Penjelasan dengan langkah-langkah:

16 cm + 3 mm = … m

= 16/100 + 3/1000

= 160/1000 + 3/1000

= 163/1000 m

= 1,63 x 10-¹ meter

45 m – 0,4 km = … cm

= 45×100 – 0,4 x 100.000

= 4.500 – 40.000

= – 35.500 cm

65 cm × 2 m = … hm

= 65/10.000 x 2/100

= 13/100.000

= 1,3 x 10-⁴ hm