设a=0.00...0125=9个0,b=0.00...08=10个0,求a/b是多少?明天就要交作业,急家急

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设a=0.00...0125=9个0,b=0.00...08=10个0,求a/b是多少?明天就要交作业,急家急
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设a=0.00...0125=9个0,b=0.00...08=10个0,求a/b是多少?明天就要交作业,急家急
设a=0.00...0125=9个0,b=0.00...08=10个0,求a/b是多少?明天就要交作业,急家急

设a=0.00...0125=9个0,b=0.00...08=10个0,求a/b是多少?明天就要交作业,急家急
a=1.25的-9次方,b=8的-10次方
a/b=a÷b=1.25÷8×0.1=1/8×1/10=1/80

25/16(将a,b换算成科学表达式)

a/b=125/80=25/16

1.5625

5/32