Everything Science Grade 10

(Marvins-Underground-K-12) #1

CHAPTER 25. EXERCISE SOLUTIONS


Exercise solutions 25


Science skills ESAHX


Exercise 1-1 ESAHY


1. (a) 3 , 63 × 106
(b) 37 , 83
(c) 6 , 3 × 10 −^4
2. (a) 5 , 11 × 105 V
(b) 1 , 0 × 10 −^1 ℓ

(c) 5 × 10 −^7 m
(d) 2 , 50 × 10 −^7 m
(e) 3 , 5 × 10 −^2 g
3. (a) 0 , 1602 aC
(b) 1 , 992 MJ

(c) 59 , 8 kN
(d) 2 , 5 mA
(e) 7 , 5 km

Exercise 1-2 ESAHZ


1. (a) 1 , 01 × 104 Pa
(b) 9 , 8 × 102 m·s−^2
(c) 1 , 256 × 10 −^6 A
2. (a) microgram and− 6
(b)milligram and− 3
(c) kilogram and 3

(d)megagram and 6
3. (a) 1 , 23 × 10 −^6 N
(b) 4 , 17 × 108 kg
(c) 2 , 47 × 105 A
(d) 8 , 80 × 10 −^4 mm
4. (a) 1 , 01 μs

(b)1 000mg

(c) 7 , 2 Mm

(d) 11 nℓ

5. 234 , 44 m·s−^1

6. 373 K

484 Chemistry: Chemical systems
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