作业帮 > 综合 > 作业

一道SAT数学题,懂的进

来源:学生作业帮 编辑:搜搜考试网作业帮 分类:综合作业 时间:2024/05/26 15:43:59
一道SAT数学题,懂的进
If 5.16 is rounded to the nearest tenth and the result is doubled,what is the final result?
答案是10.4 ,怎么算出来的?
还有一题,
(2/x)>3,In which of the following intervals does every value of x satisfy the inequality above?
1/4
一道SAT数学题,懂的进
ounded to the nearest tenths四舍五入到十分位
所以第一个是5.2*2=10.4
第二个x