Answer:
1. 4+2d
2. 3k+20
Step-by-step explanation:
Don’t look at the file there just tricking you
Answer: A. 5.6267 X 10^8
Step-by-step explanation:
(5.62 X 10^8) + (6.7 X 10^5)= 562670000
Which has 8 numbers after 5
5.6267 X 10^8 has 8 as well just minus the zeroes
Answer:
It is not valid since there is more than one variable being changed at one.
Step-by-step explanation:
Jackson changed the brand of soil, but he also changes the amount of water, and the amount of sunlight the plants are receiving, so his conclusion that the soil was more effective is not valid.
Variables- x,y
terms- 4
coefficient-3x, 6y, 10x
constant- 5, 9
like terms- 3x , 10x
