Answer:
can u express ur question
Step-by-step explanation:
23-p it doesn't make sense cause I write a number with=
3x=3x -3 which would equal infinite or no solution. Hope this helps !
-7x + 2x (add common factors)
-5x+6+21 (what happen to one side happens to the others
-5x=21 (divide by five)
x= -3
Answer:
tsu and hgi
Step-by-step explanation:
Answer: 2.25x

Scientific notation is used in science because the number can be vary from so much that using decimal is making it hard. The number expressed in

form. Both number in the question is already in scientific notation. Then to multiply the number and keep it at scienfitic notation the calculation should be:
2.5 x

x 9 x

= 22.5 x

= 2.25x