Activity 1 Estimate the product by rounding off the factors to the nearest whole number,
then, multiply

1) 5.142×9.618=
4) 12.841×10.093=
3) 60.412×49.761=
4) 8.54×4.12=
5) 37.25×88.712=
6) 86.673×103.76=

can somebody help me??​

Afitness center has 2 membership plans one has a low dollar sign up fee of 15 dollars and costs 38 dollars per month to join. a second plan has a higher sign up fee of 78 dollars but a lower monthly fee of 31 dollars for what number of days of the month is the coat the same