Respuesta :
Answer:
5
Step-by-step explanation:
first multiply 3 by 7 as 3x7=21
again find the square of 4 as 4^2=16
finally, subtract 16 from 21 as 21-16= 5
Answer:
5
Step-by-step explanation:
If the expression is 3 × 7 - [tex]4^{2}[/tex] :
- [tex]4^{2}[/tex] = 4 × 4 = 16
- Plug 16 in: 3 × 7 - 16
- 3 × 7 = 21
- Plug 21 in: 21 - 16
- 21 - 16 = 5