Scientific Notation and Significant Figures

When it says to write your answers in the form: Then it means put your answer in scientific notation! Scientific Notation where

Scientific Notation x x

You Do #1 Write 345, 239, 235 in scientific notation A.3.45 X 10 7 B.3.45 x 10 8 C.34.5 x 10 7 D.3.45 x [Default] [MC Any] [MC All]

A.7.1 x B.7.1 x C.71 x [Default] [MC Any] [MC All]

5432.6; answer all that apply A.5.43 x 10 1 B.5.4 x 10 3 C.5.43 x 10 3 [Default] [MC Any] [MC All]

A.32.6 x B.3.26 x C.3.26 x 10 1 [Default] [MC Any] [MC All]

2.5 x

3.24 x

Significant Figures is the third significant figure. Look at 4 th figure it’s < 5, so don’t change the 6. Make everything else zeros 3 sig figs is the third significant figure because the 0 in front is a place holder. look at the next digit. It’s < 5, so leave the 8. Leave off all other numbers 3 sig figs.0368

Significant Figures is the third significant figure. The zeroes are significant, because it lies between two non-zero digits. The digit behind the 0 is 5 or more, so round the 0 to a 1 and make all other places zeroes. 3 sig figs – is the third significant figure. Look at the next digit. It is 5 or more, so round the 3 to a 4. Leave off all other numbers. 3 sig figs.204

Significant Figures is the third significant figure. Look at the next digit. It is 5 or more, so round the 9 to a 0 and the 8 to a 9. Leave off all other numbers. 3 sig figs – 19.0

[1]

523 [1]

4.053 [3]

647 [2]

3081 [2]