Answer:
2 solutions
Step-by-step explanation:
Martha has 103 and together Sandra and Martha have 170 coins.
Count how many decimal places you need to move to the right until you get to:
1.203 and then multiply that by 10 raised to the power of the number of places you moved the decimal point...in this case it had to move 10 places so:
1.203X10^-10