fixed error in half-life calculation. Correct answer is factor of 10^8 greater.

Author: duffee

Contrib/BrockPhysics/College_Physics_Urone/31.Radioactivity_and_Nuclear_Physics/31-05.Half-Life_and_Activity/NU_U17-31-05-008.pg

@@ -44,7 +44,7 @@ $mass_g = $mass*10**-3;
 $M = 235;
 
 $timeSI= (0.693*$Na*$mass_g)/($activitySI*$M);
-$half_life = ($timeSI)/(86400*365.25)*10**-8;
+$half_life = ($timeSI)/(86400*365.25);
 
 Context() -> texStrings;
 BEGIN_TEXT 
@@ -77,4 +77,4 @@ Context() -> normalStrings;
 ANS(num_cmp("$half_life"));
 
 
-ENDDOCUMENT()
+ENDDOCUMENT()

Pending/BrockPhysics/College_Physics_Urone/31.Radioactivity_and_Nuclear_Physics/31-05.Half-Life_and_Activity/NU_U17-31-05-008.pg

@@ -44,7 +44,7 @@ $mass_g = $mass*10**-3;
 $M = 235;
 
 $timeSI= (0.693*$Na*$mass_g)/($activitySI*$M);
-$half_life = ($timeSI)/(86400*365.25)*10**-8;
+$half_life = ($timeSI)/(86400*365.25);
 
 Context() -> texStrings;
 BEGIN_TEXT 
@@ -77,4 +77,4 @@ Context() -> normalStrings;
 ANS(num_cmp("$half_life"));
 
 
-ENDDOCUMENT()
+ENDDOCUMENT()