Explanation

• To calculate 10.7 × 3 − 7, first multiply 10.7 by 3, then subtract 7:
• 10.7 × 3 = 32.1
• 32.1 − 7 = 25.1
• So, the result is 25.1.

Explanation

• Let's solve the expression:
• (6 x 11) - (28 + 38) = (66) - (66) = 0
• So, the answer is 0.

Explanation

1. To solve 42 × (63 + 60):
2. First, calculate 63 + 60 = 123.
3. Then, multiply 42 by 123
4. 42 × 123 = 5166
5. So, the answer is 5166.

Explanation

• To find the product of 9 and 994:
• 9 × 994 = 8946
• So, the correct answer is 8946.

Explanation

• To find the average, you add all the numbers together and then divide by the total count.
• So, (10 + 26 + 33 + 57 + 14) / 5 = 140 / 5 = 28.
• So, the average is 28.

Explanation

• When you divide 1464 by 4:
• 1464 ÷ 4 = 366
• So, the answer is 366.

Explanation

• To convert 4/ 5 into a percentage:
• 4/5 × 100% = 80%
• To convert 4/5​ into a decimal:
• 4/5 = 0.8
• So, the correct options are 80% and 0.8.

Explanation

• To solve (39 + 9) × 750:
• First, calculate 39 + 9 = 48.
• Then, multiply 48 × 750 = 36000.
• So, the answer is 36000.

Explanation

• The pattern in the series is adding 4 to each consecutive number.
• So, following that pattern, the next number in the series would be 25.

Explanation

(9+16)*49

=25*49

= 1225

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RY 31-12-2022