Answer:
Step-by-step explanation:
How to write numbers in standard form:
Write the first number 8.
Add a decimal point after it: 8.
Now count the number of digits after 8. There are 13 digits.
So, in standard form: 81 900 000 000 000 is 8.19 × 10¹³
She could switch them around by grouping them into groups of 4s, 3s, 2s, or 5s.
Getting at least a 80% ( B average) is also good still very close to 90
Answer:
4 ....,..........................................
