Warm Up #7 (Page 28) 10/9/2014 Round the following numbers to 2 significant figures (Write the question) 1)0.0009456 g 2) 124,000 m 3)1.25 cm Perform the.

Presentation on theme: "Warm Up #7 (Page 28) 10/9/2014 Round the following numbers to 2 significant figures (Write the question) 1)0.0009456 g 2) 124,000 m 3)1.25 cm Perform the."— Presentation transcript:

Warm Up #7 (Page 28) 10/9/2014 Round the following numbers to 2 significant figures (Write the question) 1)0.0009456 g 2) 124,000 m 3)1.25 cm Perform the following calculation and report your answer to the appropriate number of significant figures 64.879 cm + 8956 cm + 79.10 cm

Significant Figures Review page Zeros do not count if they are behind a number and there is no decimal point. Remember when there is a decimal point, the zero could be significant. ***Find a decimal in a number, find the first significant figure in that number and that number and those that follow are all significant.

Examples

Scientific notation This is the standard form for scientific notation M x 10 n M has to be a number between 1 and 10. If n is a negative number, the number is smaller than 1. Move decimal to the left for standard form. If n is a positive number, the number is bigger than 1. Move the decimal to the right for standard form.

Write these in decimal form 6.2 x 10 4 1.5 x 10 -2 2.4 x 10 -5 7.06 x 10 3 6 x 10 6 1.949 x 10 2 2.5007 x 10 -1

Are these correct? 9.2 x 10 2 0.4 x 10 -4 1.8 x 2 5 860 x 10 -3 9.8988989887 x 10 1

Write these in Scientific Notation 6,011,000 0.058 35 0.009009 6.732104

Calculate the following Volume of a cube What is the volume of a cube if one of the sides is 1 x 10 8 cm?

Download ppt "Warm Up #7 (Page 28) 10/9/2014 Round the following numbers to 2 significant figures (Write the question) 1)0.0009456 g 2) 124,000 m 3)1.25 cm Perform the."

Similar presentations