hurry please can someone please help me with this 2 exercises there's a picture of them thank you and show your work please please

What else equals 42 and 30 for multiply

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?

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.