Element X decays radioactively with a half life of 11 minutes. If there are 790 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to decay to 40 grams?

this is not the answer this is just a question. is this middle school math?

step-by-step explanation:

c

step-by-step explanation:

total amount to be paid = $19.5

step-by-step explanation:

given ,

original price = $25.99

discount = 25%

discount amount = 25% of original price

discount amount = 25/100   * 25.99

discount amount = $6.49

hence , the total amount to be paid = original price - discount amount

                                                            = $25.99 - $6.49

                                                            =$19.5

total amount to be paid = $19.5

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