Cov ntawv sau tshawb fawb yog ib txoj hauv kev ua kom cov lej no yooj yim dua rau kev ua haujlwm nrog. Hauv kev sau ntawv tshawb fawb, koj txav tus lej lej kom txog thaum koj muaj tus lej ntawm 1 txog 10 . Ces koj ntxiv ib lub hwj chim ntawm kaum lub hwj chim ntawm kaum A lub hwj chim ntawm 10 yog ib yam ntawm cov integer powers ntawm tus naj npawb kaum; nyob rau hauv lwm yam lus, kaum muab los ntawm nws tus kheej ib tug tej lub sij hawm (thaum lub hwj chim yog ib tug zoo integer). … Thawj ob peb lub zog tsis zoo ntawm kaum yog: 1, 10, 100, 1, 000, 10, 000, 100, 000, 1, 000, 000, 10, 000, 000. … (ib ntu A011557) hauv OEIS https://en.wikipedia.org › wiki › Power_of_10
Power of 10 - Wikipedia
uas qhia tias koj tau txav tus lej ntau npaum li cas. Nyob rau hauv scientific notation, 2, 890, 000, 000 yuav 2.89 x 109.
Yuav ua li cas rau kev sau ntawv scientific?
Tus nqi tiag tiag ntawm tus coefficient yuav tsum ntau dua lossis sib npaug rau 1 thiab nruj me ntsis qis dua 10. Txhawm rau tsim daim ntawv sau txog kev tshawb fawb, pib los ntawm suav cov lej sab laug lossis sab xis ntawm tus lej lej uas twb muaj lawm. Tus lej ntawm tus lej suav dhau los ua tus exponent, nrog lub hauv paus ntawm kaum.
Koj puas muaj 0.5 hauv kev tshawb fawb?
In normalized notation, tus exponent n yog qhov tsis zoo rau tus lej nrog tus nqi kiag li ntawm 0 thiab 1 (piv txwv li 0.5 yog sau li 5 × 10 -1).
4 txoj cai ntawm kev tshawb fawb yog dab tsi?
Txoj Cai Kev Tshawb Fawb
Lub hauv paus yuav tsum yog 10 . Tus exponent yuav tsum tsis yog xoom tus lej, txhais tau tias nws tuaj yeem yog qhov zoo lossis qhov tsis zoo. Tus nqi tag nrho ntawm tus coefficient ntau dua lossis sib npaug rau 1 tab sis nws yuav tsum tsawg dua 10.
Tus lej lej twg tuaj yeem sau rau hauv cov ntawv tshawb fawb?
Kev sau ntawv tshawb fawb yog ib txoj hauv kev sau cov lej loj lossis tsawg heev. Ib tug lej sau rau hauv scientific notation thaum tus naj npawb ntawm 1 thiab 10 yog muab los ntawm lub zog ntawm 10. Piv txwv li, 650, 000, 000 tuaj yeem sau rau hauv kev tshawb fawb raws li 6.5 ✕ 10^8.
