Hich number is the best approximation for 45√−23√ ?

0.5

5.4

6.9

12.2

Find the missing dimension! need asap! tiny square is a =3025 in ²

What expression is equivalent to (84+16)

The table below shows the approximate masses of a dust particle and a grain of pollen. dust particle 0.000000778 g grain of pollen 0.00000000155 g the mass of a dust particle can be estimated and written in the form a × 10^b, where a = 8 and b = the mass of a grain of pollen can be estimated and written in the form a × 10^b, where a = 2 and b = based on the estimates, the mass of a dust particle is approximately blank times larger than the mass of a grain of pollen.