Answer:
He is 13 years old
Step-by-step explanation:
32-45=-13
the opposite of -13 is positive 13
Answer: The area between the bases is about 126.5 square centimeters
Step-by-step explanation:The diagonal of the base is 4√5 centimeters.
The area of a base is 40 square centimeters.
The area between the bases is about 126.5 square centimeters
This question is Incomplete because it lacks the appropriate options
Complete Question
Which number is the best estimate of 866,214,000,000 using powers of 10
a) 9 × 10¹¹
b) 8 × 10¹¹
c) 10 × 11¹⁰
d) 8 × 10-¹¹
Answer:
a) 9 × 10¹¹
Step-by-step explanation:
When we want to estimate a number using the power of 10, we are trying to write the number in a standard form.
We are to estimate :866,214,000,000 using powers of 10
Hence,
8.66214000000 × 10¹¹
We round up to the nearest whole number
= 9 × 10¹¹
Therefore, the best estimate for 866,214,000,000 using powers of 10
= 9 × 10¹¹
Answer:
-8, 2
Step-by-step explanation: