2. Which of the following represents 6.7x10-3 in standard notation?
A 0.067
B. 0.0067
C. 670
D.6700
3. The town of Santa Barbara has an estimated distance of 1.35 x 102 km from Boracay. How far is Boracay from Santa Barbara town?
A 13.5 km
B. 135 km
C. 1350 km
D. 13500 km
4. Which of the following is the number part in the expression 7.04 x 10-3?
A 7
B. 7.04
C.-3
D.10
5. Which of the following represents a standard notation?
A 2.1 x 10-2
B.2.1 x 10-
C. 2.1 x 10-1
D. 0.0021 6. What should be the count for exponent of base
10 if the decimal is moved towards the left?
A negative
B. positive
C. compact
D. it depends
7. What do we call the number used in counting?
A irrational
B. natural
C. rational
D. whole
8. Which of the following is not an example of a rational number?
A {1,2,3,...)
B. {... – 3, -2, -1,0,1,2,3,...)
C. 1,2)
D. {V3,1, V21, 3.1235} { ,
9. The present age of Luffy's father is four times that of Luffy. After 10 years, the sum of their ages would be 80. Find the age of Luffy's father.
A 30
B. 40
C.70
D.80
10. A Collection of 25 coins amounted to Php 4.25. If it consists of dimes (10¢) and quarters (25¢), how many quarters are there?
A 11
B. 9
C.8
D.7​