Sig Figs and Scientific Notation

How many sig figs are in 0.0023040

• 3

• 4

• 5

• 7

How many sig figs are in 83,000

• 2

• 3

• 4

• 5

How many sig figs are in 0.0000030045

• 3

• 4

• 5

• 10

What should the exponent be when changing this number into scientific notation: 0.000658?

• 4

• 5

• -4

• -5

What should the exponent be when changing this number into scientific notation: 1,209,000 ?

• 3

• 5

• -5

• 6

What should the exponent be when changing this number into scientific notation: 14.67 ?

• 2

• -2

• 1

• -1

What should the exponent be when changing this number into scientific notation: 0.0000984302

• -5

• 5

• 6

• -6

How many sig figs are in 2.087 x $10^7$  ?

• 1

• 4

• 7

• 10

Round this number to have TWO sig figs: 673,090

• 67

• 673,000

• 670,000

• 600,090

Round this number to THREE sig figs: 0.003480089

• 0.003

• 0.003480

• 0.00348

• 0.00349