Solving 1.25 x 10-2 Sv-1 = 1:80

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SUMMARY

The equation 1.25 x 10-2 Sv-1 simplifies to 0.0125, which is equivalent to the ratio 1:80. This conclusion is reached by recognizing that 0.0125 can be expressed as 1 divided by 80. The discussion emphasizes the importance of understanding the notation used, particularly the interpretation of Sv-1, which requires clarification for accurate calculations.

PREREQUISITES
  • Understanding of scientific notation and its application in mathematical expressions
  • Basic knowledge of ratios and fractions
  • Familiarity with unit notation, specifically in the context of Sv (Sievert) and its inverse
  • Ability to perform basic arithmetic operations, including division
NEXT STEPS
  • Study scientific notation and its conversion to decimal form
  • Learn about ratios and how to express fractions in ratio format
  • Explore unit conversions, particularly in physics and measurement contexts
  • Practice arithmetic operations involving fractions and decimals for better comprehension
USEFUL FOR

Students in physics or mathematics, educators teaching ratio concepts, and anyone needing clarification on scientific notation and its applications in real-world scenarios.

kaye77
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hi i do not understand how to get this as a ratio. 1.25 x 10-2Sv-1 = 1:80

(the - is a to the power of), how does that equal 1:80 what do i do step by step to get 1:80

please could you help i do not understand this.
 
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kaye77 said:
hi i do not understand how to get this as a ratio. 1.25 x 10-2Sv-1 = 1:80

(the - is a to the power of), how does that equal 1:80 what do i do step by step to get 1:80

please could you help i do not understand this.
Your equation doesn't make a whole lot of sense. I can't tell if what you wrote as Sv-1 is
a) S*v - 1
b) Sv - 1
c) Sv-1
Without any context, I have no idea what you mean.

Let's take a look at the rest of what you have.
.125 = 1/8 and .0125 = 1/80
Check these by dividing 1 by 8 and 1 by 80.
1.25 x 10-2 = 0.0125 = 1/80
 

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