Draw a number line with 10 positives and 10 negatives. Count from 0 to 8. Now, from 8, count back 12 spots. From that spot, go back to 0, which is their original position. The number you counted there is your answer.
Answer:A:√7+√3+√98−√18 Part B:3√5−3√11+2√121−3√90. 1.
Step-by-step explanation:
6,000 because its in the thousandth and so since its a six in the thousandths its 6,000 remember the comma
Answer: 250:1
Step-by-step explanation:
Divide the measurement of appearance by the actual measurement.

The magnification scale is 250:1. The scale is used by a 250X magnifying lense.