How can the product of 6 and 0.4 be determined using this number line? I need the answer ASAP I do k12 schooling btw.

Which of the following expressions is equal to 2x^2+8

What is negative 3/9 times negative 2/8 ?

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.