Answer:
80,000
Step-by-step explanation:
7 is the tean thousand
Add 1 because 5 is a big amount.
The sum of the two is three over ten or 3/10
Hi there!
• Base, b = 8 units
• Altitude, a = 10 units
Area of Triangle =

× b × a =

× 8 × 10 = 40 units.
Hence,
Th' required area of triangle is 40 units
~ Hope it helps!
Harrison is correct because the 305 in the actual problem is greater than the 300 in the estimate and 57872 is less than 60000. Harrison arrived at his prediction by rounding to the nearest ten thousand and nearest hundred.