Mathematics 1 ESO – Unit 2 POWERS AND ROOTS extra activities
Watch the video on “Multiplying multiples of powers of 10″ and answer:
- a) Why do we first change the order of multiplication?
- b) Why is the final exponent “6”?
- c) What two ways can we write “fifteen million”?
- d) Solve:
- I) (2·105) (-5·10-2)
- II) (4·105) (3·102)
- III) (10-3) (-7·10-2)
