Answer:
15/2 or 7.5
Step-by-step explanation:
-3÷ (-2/5)
The reciprocal of -2/5 is -5/2
So we multiply -3 into the reciprocal of the fraction and we can get the same answer
Therefore,
-3÷(-2/5)
= -3x -5/2
= (-5x-3)/2
(Two negatives become a positive)
= 15/2 in fraction form
And 7.5 in decimal form
Answer:50, 100, 151
Step-by-step explanation:
because adding two side must be bigger than the 3rd side
Answer:
-5x+7-(3x-2)
=-5x+7-3x+2
=-8x+9
Step-by-step explanation:
1.085*10^3 scientific notation is a number between 1-10 multiplied by 10 to a certain power.