14 and 15 are not functions while 13 and 16 are functions
For first is B For second is C::::)
Answer:
24x - 103
Step-by-step explanation:
calculate 24x +18- 121
Answer:
78 x 10² or 7.8 x 10³
Step-by-step explanation:
you have to get the exponents the same before you can subtract the coefficients
8 x 10³ = 80 x 10²
80 x 10² - 1.7 x 10² = 78 x 10² or 7.8 x 10³
