Standard to Scientific
7,500,000
What is 7.5 x 106?
Write this in standard notation: 3.6 x 10-4
What is 0.00036?
non-zero digits
What is always significant?
20000 x 40000=
What is 8 x 108?
The true value of Dr. Parker's blood pressure is 120/80. The machine reads 170/96.
What is not accurate?
0.000037
What is 3.7 x 105?
Write this in standard notation: 7.45 x 102
What is 745?
Captive Zeros
What are always significant?
4.53 + 2.2 =
What is 6.7?
Your team recorded the length of the teacher's desk and found the lengths of 4.0m, 4.2m, 3.9m, and 4.0m. The real length is 4.1m
What is accurate and precise?
6,300,000,000
What is 6.3 x 109?
Write this in standard notation: 5.9 x 10-8
What is 0.000000059?
Leading Zeros
What is never significant?
0.000000071 x 82574 =
5.8627x10-3
The true value of the density of a piece of copper is 10g/mL. The measurements are 15g/mL, 14.9g/mL and 15.1g/mL.
What is not accurate but precise?
54,500
What is 5.45 x 104?
Write this in standard notation: 1.11 x 1011
What is 111,000,000,000?
Trailing Zeros
What is significant if they are to the right of the decimal place?
56.3 / 110 =
What is 5.1x10-1?
You get on the scale at the doctor's office and it tells you your weight is 75kg, but yesterday at home your scale said 74.5 kg.
What is accurate?
0.0021
What is 2.1 x 10-3?
Write this in standard notation: 9.145 x 10-12
What is 0.000000000009145?
Numbers that are part of the coefficient in scientific notation
What is always significant?
22.004 - 0.03 =
What is 2.20x101?
The volume of an object was measured three times and the results are 98.0cm3, 78.2cm3, and 107.9cm3. The true value is 50cm3.
What is not accurate or precise?