Aunawa ko lissafi a fannin kimiyyar lissafi sun bambanta daga ƙananan girman barbashi, kamar nauyin electron, zuwa manyan girma, kamar nauyin ƙasa. Rubuta sakamakon ma'aunin manyan abubuwa, misali nauyin ƙasa yana da kimanin kg 6,000,000,000,000,000,000,000,000,000 ko sakamakon ma'aunin ƙananan barbashi, misali nauyin electron yana da kimanin 0,000,000,000,000,000,000,000,000,000,000,000.911 kg yana buƙatar babban sarari kuma sau da yawa ana rubuta shi ba daidai ba. Don shawo kan wannan matsalar, za mu iya amfani da shi don magance wannan matsalar, muna iya amfani da shi don amfani da babban sarari kuma sau da yawa ana rubuta shi ba daidai ba. Don shawo kan wannan matsalar, za mu iya amfani da shi don amfani da shi don amfani da shi don samun sarari mai yawa ... bayanin kimiyya.
A cikin bayanin kimiyya, ana bayyana sakamakon aunawa kamar haka: a, ….. x 10n
Bayani:
a lamba ce ta halitta wacce ta fara daga 1 zuwa 9
ana kiran n da exponent kuma lamba ce
10n nuna oda
Dokokin rubuta sakamakon aunawa ta amfani da bayanin kimiyya
a) Ga lambobi sama da 10, matsar da wurin adadi na goma zuwa hagu. Ma'aunin yana da kyau.
Misali:
210000000 m = 2,1 x 108 m
62400,1 m = 6,24001 x 104 m = 6,2 x 104 m
33000 m = 3,3 x 104 m
b) Ga lambobi ƙasa da 1, matsar da ma'aunin adadi zuwa dama. Ma'aunin yana da korau.
Misali:
0,0045 m = 4,5 x 10-3 m
0,000000234 m = 2,34 x 10-7 m = 2,3 x 10-7 m
0,0001075 m = 1,075 x 10-4 m = 1,1 x 10-4 m
