Help me please will give brainleist

sound travels fastest in solids

Step-by-step explanation:

the particles are more close together therefore the sound can travel faster :D

sound travels faster in solids than gases

Step-by-step explanation:

so we can see the bigger of a difference between air and a piece of glass. so "empty space" is out because the glass one is faster, the third option is a choice but sound can't travel in space so its not an op6

37

step-by-step explanation:

the largest number of the four options is 1.8 x 10-2

you have it in scientific notation.

1.80 x 10-6   = 0.00000180

1.80 x 10-4   = 0.000180 (bigger, or "less small", than the former one)

so

1.8 x 10-2       = 0.0180. as you see. the "less small", or the biggest one of them all.

as you have negative exponent, it means you are dividing 1.8 by 100 (i.e. moving the dot towards left, two times).

if you had positive exponent for the scientific notation, power of tenths, you would be multiplying times 100 (moving the dot towards right) as below:

1.8 x (10)2 = 180

so. if you have negative exponent in scientific notation, move the dot toward left. if it is positive, toward right as many times the exponent tells you.