Vocabulary
A(n) _____________ is used to write repeated multiplication of a number.
Exponent
What is 10 to the power of 5?
100,000
What is 25?
32
Dustin computed his family’s road trip as 4.43 x 103 miles. How many miles did Dustin’s family travel on the road trip?
4,430 miles
The number that is repeatedly multiplied is the _____________.
Base
103
Identify the base, exponent, and what is it in expanded form?
Base: 10
Exponent: 3
Expanded form: 10x10x10
What is 44?
256
Humans can distinguish up to 18,400,000 individual dots called pixels on a typical computer display. Can a human distinguish pixels on a same-sized HDTV with 2x 106 pixels? Explain.
Yes, because 2,000,000 is less than 18,400,000
The exponent tells how many times the base is used as a(n) _____________.
Factor
What is 101?
10
What is 93?
729
Is the sum of the areas of two smaller squares equal to the area of a large square if the side lengths of the squares are 8 feet, 5 feet, and 3 feet? Note that the area of a square is s2, where s is the side length. Explain.
The area of the larger square is not equal.
What form is 35?
What is 100?
1
?3=343
What is the Base?
7
Lexi bought a new car. She drove 54 miles in the first month that she owned the car and 45 miles in the second month that she owned the car. How many miles did Lexi drive in all during the first two months that she owned the car?
1649 miles
What is 35 in expanded form?
Evaluate it
3x3x3x3x3= 243
What is 0.01 x 104?
1000
?5=243
What is the base?
3
In case of an emergency, the school has a calling list so that everyone is called in the least amount of time. Each of the first 3 people on the list calls another 3 people on the list. Then, each of the people in the second group calls another 3 people on the list, and so on. The fifth group of people will make 243 calls. Is this statement accurate? Explain.
Yes, answer varies