1. Determine the number of significant figures for the following numbers ( 2 Marks). 2. Round off the following numbers to 3 significant figures (2 Marks). 397.50.0860398,1202900 3. Write the following numbers in scientific notation ( 2 Marks). 4. Write the following number in decimal notation (1 Mark). 5.68103 7.82104 5. A pastry chef needs 15lbs of strawberries to make 5 strawberry rhubarb pies. Strawberries are priced at $2.50/kg(1kg=2.20lb). How much money do the strawberries cost the chef? Show your work (1 Mark). 6. Calculate the following and report the results to the correct number of significant figures ( 2 Marks). 17.1+0.77+241= 0.072/4.36= BONUS QUESTION. Calculate the following and report the result to the proper number of significant figures. Show your work ( 2 Marks). 0.1234(2.130104)84.950.000051=