英语翻译One kind of radioactive elements,the initial mass of 500 mg,decay by 10% per annum.(1) Find the t years,the quality of this radioactive element ω of the function expression;(2) derived from the function expression,find the half-life of r
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英语翻译One kind of radioactive elements,the initial mass of 500 mg,decay by 10% per annum.(1) Find the t years,the quality of this radioactive element ω of the function expression;(2) derived from the function expression,find the half-life of r
英语翻译
One kind of radioactive elements,the initial mass of 500 mg,decay by 10% per annum.
(1) Find the t years,the quality of this radioactive element ω of the function expression;
(2) derived from the function expression,find the half-life of radioactive elements (accuracy 0.1)
英语翻译One kind of radioactive elements,the initial mass of 500 mg,decay by 10% per annum.(1) Find the t years,the quality of this radioactive element ω of the function expression;(2) derived from the function expression,find the half-life of r
一种放射性元素 初重是500毫克,每年消退10%
找出在即将来临的几年内,这个函数表达式的放射性元素ω的质量;
从这个函数表达式中,计算出这种放射性元素ω的半衰期（精确到0.1）
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