Answer:
58
Step-by-step explanation:
1. let x be the unknown number
2. make an expression
x + 26/12 = 7/1
3. cross multiply
x +26 × 1 = x + 26
12 × 7 = 84
x + 26 = 84
4. move variables on one side and numbers on other side of the equal sign
- 26 -26
x = 58
B
single digit, for example= 6
interger power of 10 =10^8
it will be written as
6*10^8
spoken as: six time 10 rais to the power of 8
(x,y)----(x,y+3)
