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受欢迎的 Word Problems >

Sound travels at a speed of approximately 1,085 feet per second. How far does sound travel in 13 seconds, expressed in 科学 notation?

解答

S o u n d t r a v e l s a t a s p ee d o f a pp ro x ima t e l y 1, 085 f ee t p er seco n d . Ho w f a r d oes so u n d t r a v e l in 13 seco n d s, e x p resse d in sc i e n t i f i c n o t a t i o n ?

解答

distance : 14105

求解步骤

Translate the problem into an equation:

x = 1085 \cdot 13

求解

x, x = 1085 \cdot 13 : x = 14105

distance : 14105

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