Answer:
Step-by-step explanation:
<u>Sum of 8 fifths and 4:</u>
- 8/5 + 4 =
- 1 3/5 + 4 =
- 5 3/5
<u>7 copies of the of sum of 8 fifths and 4:</u>
- 7 × 5 3/5 =
- 7( 5 + 3/5) =
- 35 + 7(3/5) =
- 35 + 21/5 =
- 35 + 4 1/5 =
- 39 1/5 or 39.2
Answer:
10 ft 10 in
Step-by-step explanation:
Note that there are 12 inch in 1 feet. Add corresponding numbers together:
6 ft 2 in + 4 ft 8 in = (6 ft + 4 ft) + (2 in + 8 in) = 10 ft + 10 in
10 ft 10 in is your answer.
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Answer:
-8 + 7
Step-by-step explanation:
7 - 8 = -1
-8 + 7 = -1
Answer:
Step-by-step explanation:
12,800 written as 1.28 x 104 in scientific notation
