Three times the quantity of a number plus 6 is 18 . What is the number?
2 answers:
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Answer:
1) pounds
2) grams
3) tons
Step-by-step explanation:
The suitable measurements for the scenarios are:
1) A piano weighs 5.5 × 10² units
550 Ib (pounds)
2) A grain of salt weighs 1.02 × units
0.00102 grams
3) A tractor trailer weighs 8.8 × units
88 ton
10²g = 1kg
10^-3g = miligrams
10^1 g = decagram