📘 number bases

1. **State the problem:** We need to find the value of $x$ such that the sum of the number $405$ in base $x$ and the number $43$ in base $8$ equals $184$ in base $10$. 2. **Write t

1. The problem is to multiply two numbers: $-39_2$ and $59_{10}$. 2. First, convert $-39_2$ from base 2 to base 10. However, $39_2$ is not a valid binary number because digits in b

1. The problem is to convert the number 4 in base 4 to its equivalent in base 10 (decimal). 2. In base notation, the number 4 in base 4 means: $$4_{4}$$.

1. The problem is to convert the number $1567_8$ from octal to decimal, then to binary, and finally to hexadecimal. 2. Convert $1567_8$ to decimal:

1. The problem asks us to add two numbers written in base eight (octal). 2. The numbers given are $742_8$ and $347_8$.