ACTIVITY 1 Direction: Write the correct answer in the blank. 1. Multiply the sum of +7 and -5 by 4 2. Divide the sum of -13 and -7 by -5 3. Add -15 and -20, then divide by 7 4. A submarine was situated 450 kilometers below sea level. If it de- scends 300 kilometers, what is its new position? 5. Lily bought 4 pairs of blue jeans at $32 each. How much money did she pay the clerk?
Add an Answer
More Questions From This User See All
Answers & Comments
Answer:
1. 8
2. 4
3. -5
4. 150 km below sea level
5. $128
Step-by-step explanation:
1. [+7 + (-5)] × 4 = ?
+2 × 4 = 8
Unlike signs siya so you need to subtract them and then copy the sign of the highest term.
2. [-13 + (-7)] ÷ (-5) = ?
-20 ÷ (-5) = 4
Same signs siya so you just need to add them then copy their sign.
Dividing same signs resulted to positive (+) sign.
3. [-15 + (-20)] ÷ 7 = ?
-35 ÷ 7 = -5
Same signs siya so you just need to add them then copy their sign.
Dividing unlike signs resulted to negative (-) sign.
4. 450km - 300km = 150km below sea level
5. 4 × $32 = $128
I hope i helped you :)
PS. I hope you get my explanation. Also if you don't mind, can you make my answer the brainliest ^^