Q1.write as a single fraction in its simplest form.

q2. for her holiday, alyssa changed 2800 malaysian ringgits(myr) to us($) when the exchange rate was 1 myr = $0.325

at the end of her holiday she had $210 left.

a. how many dollars did she spend?
$

b. she changed the $210 for 750 myr.
what was the exchange rate in dollars for 1 myr?
1 myr = $

q3. the volume of a cylindrical is 550cm3, correct to the nearest 10cm3.
the height of the can is 12cm correct to the nearest centimeter.

calculate the upper bound of the radius of the can.
give your answer correct to 3 decimal places.