What is a reasonable estimate for the problem 3 3/4 ×-2/5

Step-by-step explanation:

We know that 3 + 3/4=3.75.

-2/5=   -04.

Any positive number times a negative number is negative.

Any negative number times a negative number is positive.

Any positive number times a positive number is positive.

3.75*-.4=-1.5.

Another way is to make it an improper fraction. 3 3/4=15/4 because 3*4=12 and 12+3=15. Multiply 15/4 by -2/5 and you have -30 in the numerator and 20 in the denominator. Your answer is -30/20 = -15/10 = -3/2 = -1.5. If you have any misunderstanding in this explanation, please let me know!

1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x

answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6