2-9 Scientific notation
Write each number in scientific notation
3,400
0.000023
0.010
1,000,000
101,000
45.01
0.00671
4.50
Write each number in standard form
2.30 x 104
1.76 x 10-3
8.65 x 10-1
5.40 x 101
1.901 x 10-7
9.11 x 103
1.76 x 100
7.4 x 10-5
Write your answer in scientific notation
1. The mass of a small insect is 0.0000569 grams. How much would 100 insects weigh? (show your
work)
2. A pet store bought a truckload of dog food. The bags weigh 25 lbs each. How much will 10,000 bags
weigh?
3. In one year, Americans made 445 billion phone calls. Write this number in scientific notation.
4. A book store orders a shipment of books. The books weigh 3.2 lb each. How much will the
shipment of 100 books weigh?
5. The thinnest commercial glass is 0.000984 in thick. Write this number in scientific notation.