Scientific Notation And Sig Figs Math

Question 1

Adding and subtracting exponential notation

Answer 1

Make exponents the same

Question 2

Multiplying exponential notation

Answer 2

Multiply the numbers and add the exponents

Question 3

Dividing exponential notations

Answer 3

Divide the numbers and subtract the exponents

Question 4

All non-zero numbers
Significant or not?

Answer 4

significant

5.2 * 10 ^ -3 = 2 significant figures
793 equals three significant figures

Question 5

Zeroes between other numbers
Significant or not?

Answer 5

significant

303 = 3 sig figs

Question 6

All zeros to the left of the first number
Significant or not?

Answer 6

Not significant
0.0023 equals two sig figs

Question 7

Zeros to the right of other numbers when a decimal is present
Significant or not?

Answer 7

Significant
6.0000 equals five sig figs

Question 8

Zeros to the right of the last number when a decimal is not present
Significant or not?

Answer 8

Not significant
72,000 equals two sig figs

Question 9

Adding and subtracting with sig figs

Answer 9

Use the least number of decimal places

Question 10

Multiplying and dividing sig figs

Answer 10

Use the fewest sig figs