8th grade 1st 3 weeks exam Flashcards

1

How is 0.623 × 10³ written in standard form?

6.23
623
0.00623
62.3

2

Which statement is true?

1>2
4<-5
-8<-6
-4<-5

3

How is 2,000 written in standard scientific notation?

2.0 × 103
2.0 × 1010
2.0 + 1000
2.0 × 102

4

Which of the following statements is correct?

Rational numbers are a subset of integers.
Natural numbers are a subset of rational numbers.
Real numbers are a subset of irrational numbers.
Whole numbers are a subset of irrational numbers.

5

Are they in order now?

no
yes

6

Are they in order NOW?

yes
no

7

How is 3.789 × 10^-4 written in standard form?

37,890
0.00003789
0.0003789
0.03789

8

One more!!!...calculate the M.A.D. for 4, 5, 8, 9.

2.25
2
1.75
2.5

9

If a number is an integer, which of the following must also be true about that number?

The number must also be a whole number.
The number must also be a natural number.
The number must also be an irrational number.
The number must also be a rational number.

10

goals a team scored over 7 games is 2, 0, 1, 3, 0, 2, 2. Which is M.A.D. to the hundredth?

The M.A.D. from the average number of goals scored is 2.00
The M.A.D. from the average number of goals scored is .85
The M.A.D. from the average number of goals scored is 1.06
The M.A.D. from the average number of goals scored is .94

11

A frequency of 9,192,631,770 Hertz in scientific notation rounded to the nearest million?

9.193 × 1011 Hertz
9.193 × 1010 Hertz
9.193 × 1012 Hertz
9.193 × 109 Hertz

12

Are these in order?

yes
no

13

Which of the following sets of numbers contains the other three sets?

Rational numbers
Irrational numbers
Natural numbers
Real numbers

14

maybe now they're in order?

yes
no

15

Calculate the M.A.D. of 1, 1, 3, 5, 6.

1.93
1.84
1.98
apples

8th grade 1st 3 weeks exam

Questions 15

8th grade 1st 3 weeks exam

Questions 15