C. Find the product
1) +15 × (+2) =
2) +13 × (-3) =
3) -14 + (+7) =
4) +60 + (-30) =
5) -18 + (-6 ) =
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C. Find the product
1) +15 × (+2) =
2) +13 × (-3) =
3) -14 + (+7) =
4) +60 + (-30) =
5) -18 + (-6 ) =
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Answer:
1) +15 × (+2) = +30
2) +13 × (-3) = -39
3) -14 + (+7) = -7
4) +60 + (-30) = +30
5) -18 + (-6 ) = -24
Step-by-step explanation:
1. +15 × (+2)=?
+(15x2)
Multiply the numbers
+(15x2)= +30
Both numbers are positive so if you multiply +15 and +2, the product is also a positive number which is +30
2. 13x(-3)= ?
- (13x3)
Use the Rules of Signs for Multiplication: Multiplying a positive and a negative equals a negative: (+)x(-)=(-)
Multiply the numbers
-(13x3) = -39
Therefore, +13 and -3 is equals to -39
3. -14+ (+7)= ?
- [14-(+7)]
Keep the sign of the number with the larger absolute value and subtract the smaller absolute value from the larger
Subtract the numbers
-(14-7) = -7
4) +60 + (-30) =?
+60-(+30)
Remove the parenthesis: When there is a "+" in front of the parenthesis the expression remains the same
Subtract the numbers
+60-(+30)= +30
5) -18 + (-6 ) = ?
-18 + (-6)
Remove the parenthesis: When there is a "+" in front of the parenthesis the expression remains the same
Calculate
-18 + (-6) = -24
Answer:
1) +15 × (+2) = 30
2) +13 × (-3) = -39
3) -14 + (+7) = -7
4) +60 + (-30) = 30
5) -18 + (-6 ) = -24
Explanation:
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