How do i bond 6 x 9 by adding 48 + 6

54

Step-by-step explanation:

48=6*

So 48+6 is 6*8+6.

Multiplication is repeated addition.

So,

6*8 is 6+6+6+6+6+6+6+6.

So 6*8+6

Is 6+6+6+6+6+6+6+6+6=6*9=54

8y^50

step-by-step explanation:

1,407.5 hours

step-by-step explanation:

we first convert all the time to hours and then sum them up.

there are 24 hours in 1 day, in 58 days, there are 24 x 58 = 1,392 hours.

there are 60 minutes in 1 hour, thus, 30 minutes will be equivalent to 30 / 60 = 0.5 hours.

therefore, the number of hours it will take mercury to complete a full rotation is 1,392 + 15 + 0.5 = 1,407.5 hours