Write as a standard number: 7×103
7,000
100=10?
102
Write an equivalent decimal for 0.5
0.50
A beetle is 0.24 inches long. A moth is 0.240 inches long. Which is longer?
They are the same length.
In the number 73, what is the "base"?
7
Write as a standard number: 3×102+5×101+2×1
352
1,000,000=10?
106
Write an equivalent decimal for 1.70
1.7
Maria's tablet is 6.5 inches wide. She incorrectly wrote the width as 0.65 inches. Her number was how many times smaller than the actual width?
10 times smaller
Solve 24.
16
Write as a standard number: Eight hundred twenty-five thousandths.
0.825
8,000=8×10?
103
Is 0.6 equivalent to 0.06?
No
In Justin’s school, 0.825 of the students play a sport. If there are 1,000 students, how many play a sport?
825 students
Write 5 x 5 x 5 using an exponent.
53
Write as a standard number: 6×104+2×103+7×100
62,007
What is 100?
1
Write an equivalent decimal for 23.100
23.1
A company packs 100 toys in a box. If they have 10,000 toys, how many boxes do they need?
100 boxes (10,000÷100)
Which is greater 34 or 43 ?
34 (81 is greater than 64)
A number has a 5 in the tens place, a 2 in the tenths place, and a 4 in the hundredths place. Write it in standard form.
50.24
0.01=10?
10−2
Write two equivalent decimals for 1.2
1.20 and 1.200
A scientist looks at a cell that is 0.003 cm wide. If she looks at it under a microscope that magnifies it by 102, how wide will the cell appear?
0.3 cm
A scientist has a bacteria culture that doubles every hour. If she starts with one bacterium, how would you write the number of bacteria after 6 hours in exponential form?
Break down the Steps:
1. Identify the Base
2. Identify the Exponent
3. Combine and Write in Exponential Form
26