In this estimation, question gives your answers to one significant figure.

A) If a cash point dispenses a £10 note every second, how long would it take to dispense a
trillion pounds?

B) An aircraft carries 47 tonnes of cargo. If each banknote has a mass of 1g, what is the maximum value of £10 notes that fit into the plane?

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  1. So where is your attempt to do the problems?

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  2. my answer for question A was:

    1*10^11 seconds which is 3000 years to 1 SF
    is that correct? and I'm trying to solve question B

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  3. for part B I have got that the maximum value of £10 is 4700, by using the formula p=m/v
    is that right? please help

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