1.
to divide a decimal by a power of ten, move the decimal point to the right the same number of places as there are zeros in the power of ten.

true

false
3.
the first step in adding decimals is to write the decimals vertically with the decimal points aligned.

true

false

Number one is true and number three is also true

x=17

step-by-step explanation:

solve 3x-24=x+10

then that makes it 2x=34 because you subtract an x from both sides to get rid of the one on the right, and then you add 24 to both sides to get rid of the 24 on the left

divide by both sides by 2 to get your answer so that you can get your answer

answer: 1722

step-by-step explanation:

given: the mass of saturn=

the mass of mercury=

the number of times the mass of saturn is greater than the mass of mercury

hence, the mass of saturn is 1722 times greater than the mass of mercury.