ACTIVITY TWO. SCIENTIFIC NOTATION AND CONVERSION (DIMENSIONAL ANALYSIS)

  1. (4.27 x 104) + (3.61 x 106) x (4.32 x 10-4) =
  2. (3.27 x 106) ÷ (2.11 x 10-4) x (5.23 x 103) =
  3. (2.19 x 106) x (4.48 x 10-3) ÷ (7.38 x 10-4)=
  4. (4.13 x 104) ÷ [(3.16 x 103) x (2.17×10-10)] + (4.54 x 1010) =
  5. (7.20 x 103) + (7.20 x 104) + (7.20 x 105) =
  6. (4.31 x 10-2) + (4.32 x 10-3) + (4.33 x 10-4) =
  7. (5.32 x 105) – (3.09 x 103) =
  8. A car is moving at 16 km/hr with the use of 3 horsepower engine. If we will increase the engine to 25%, how fast will the car go?
  9. A space shuttle travels in deep space at a speed at 5.62 x 108 km/hr, if we decrease the speed to 60%, what will be its current speed?
  10. Michel an exchange student from France is studying in US. He wishes to buy a new pair of jeans, but the sizes are all in inches. He does remember that 1 m = 3.28 ft, 100 cm = 1 m, and that 1 ft = 12 in. If his waist size is 82 cm, what is his waist size in inches?
  11. Axe weighs 90 lbs. To join the wrestling club, he must increase his weight to 30% to qualify the 150 kilo qualifications. Does he qualify after getting the increase?
  12. I just finish looking up on the results of my 150 item test, and good thing I got 63% right. How many items did I write incorrectly?
  13. Marge is selling cabbages and carrots. Normally, the price she set up for cabbages is P 32/kilo and carrots cost around P37/kilo. Unfortunately, due to high demands of both products, both products have increase its prices to 25%. How much would both products cost respectively?
  14. Miles new vehicle uses gasoline, which for every litre it can travel up to 15 kilometers. He is planning on a trip this weekend and is 340 kilometers away. The price of gasoline (P53.00) has increased around 3% the current week. How many litres does he need for his travel? How much will he be paying for the gasoline?
  15. A baby’s heart beats rapidly at 110 per minute. In a day, how many beats can she produce?
  16. In every month, Cae remits around $1,290.00 to her family. How much is sent in one year? ($1.00 = P44.90)
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