Start with
Subtract 15 from both sides:
Divide both sides by 2a:
Answer:
50 · (2 x 10^6) = 1 × 10^8
Step-by-step explanation:
In scientific notation a large number is converted to an equivalent decimal number between 1 and 10, multiplied by 10 raised to some power. Very small numbers are converted to an equivalent decimal number between 1 and 10, multiplied by 10 raised to some negative power.
Option 2
Also you can use desmos to find the answer for any graph
The triangle inequality applies.
a) 10000 < 1000 +10x
.. 1000 < 100 +x
.. 900 < x
b) 1000 < 10000 +10x
.. 100 < 1000 +x
.. -900 < x
c) 10x < 10000 +1000
.. x < 1100
x can be between 900 and 1100
