Answer:
Step-by-step explanation:
I can't see
4.2³ = 74.088. If the 4.2 is accurate, this is actually not an estimate but an exact answer. You can of course round it to 74, then it becomes an estimate.
Answer:
1.0 to the power of 10 - 50 so 1 to the power of 40
Step-by-step explanation:
Vina has $4.70 in quarters, dimes and nickels in her purse. She has nine more dimes than quarters and four more nickels than quarters. How many of each coin are in her purse?
nickels
dimes
quarters
1,129.872 to the nearest hundred is 1,100