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# Thc gencnl equation that models radioactive decay of = substance is A() = I00 1The equation6290 A(t) = I0 2 VAS used recently t0 find the present-day radioactivity...

## Question

###### Thc gencnl equation that models radioactive decay of = substance is A() = I00 1The equation6290 A(t) = I0 2 VAS used recently t0 find the present-day radioactivity of some wooden tools at anarchaeological dig: What does the number 6290 represent?lab has 450 grams of an unknown radioactive substance. The curve below shows the mass of the substance recorded each minute. Approximately how many grams of the substance remain after minutes?IuWhat is the decay rate of the substance whose decay modelle

Thc gencnl equation that models radioactive decay of = substance is A() = I00 1 The equation 6290 A(t) = I0 2 VAS used recently t0 find the present-day radioactivity of some wooden tools at an archaeological dig: What does the number 6290 represent? lab has 450 grams of an unknown radioactive substance. The curve below shows the mass of the substance recorded each minute. Approximately how many grams of the substance remain after minutes? Iu What is the decay rate of the substance whose decay modelled by the following equation? S() 820(0.531 A red shirt loses 7% of its colour every time is washed. Create model of exponential decay for C(w), the percent of colour remaining alier washings:

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