Scientific notation,Sig fig and Dimensional Analysis

How would you write 7.6 x 10^-4 in standard form

• 76000

• 760000

• 0.00076

• 7.6

Express the following in Scientific notation:

57800

• 5.78 x 10⁴

• 57.8 x 10⁵

• 5.78 x 10⁵

• 578

How many significant figures does the following number have: 0.008040

• 7

• 3

• 4

• 2

How many sig figs are there?

6009.00

• 4

• 2

• 6

• 5

Count the number of sig fig 8.980 m

• 3

• 1

• 4

• 8.44

Count the number of sig fig 0.00210

• 3

• 6

• 2

• 5

610 pens-how many significant figures?

• 1

• 2

• unlimited

• 3

Convert 2.5 grams into milligrams.

• 25

• 250

• 0.0025

• 2500

The human esophagus us about 250 mm log. How long is that in hm

• 2.5

• 0.250

• 0.0025

• 25000

Convert 4.80 cg to mg.

• 48

• 0.48

• 480

• 0.0480