QUESTION IMAGE
Question
simplify. product rule!
- $4^2 \cdot 4^8$ 2) $4 \cdot 4^3$
- $5^6 \cdot 5^9 \cdot 5^7$ 4) $6^2 \cdot 6^5$
- $3b^7 \cdot 10b^8$ 6) $9x^{10} \cdot 10x^3$
- $8r^7 \cdot 9r^3 \cdot 10r^7$ 8) $6n^9 \cdot 6n^{10}$
- $10m^6n^5 \cdot 6m^4n^5$ 10) $x^4y^{10} \cdot 2x$
simplify. power rule!
- $(4^2)^2$ 12) $(4^4)^3$
- $((-3)^3)^2$ 14) $(-2)^4$
- $(2m)^7$ 16) $(3b^6)^7$
- $(n^4)^5$ 18) $(3x^9)^2$
- $(-3b^2)^3$ 20) $(y^7)^{10}$
Step1: 同底数幂相乘,指数相加
对于同底数幂$a^m \cdot a^n$,结果为$a^{m+n}$;系数单独相乘;幂的乘方$(a^m)^n=a^{m \cdot n}$,积的乘方$(ab)^n=a^n b^n$
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第一部分(乘积法则)
Step1: 计算$4^2 \cdot 4^6$
$4^{2+6}=4^8$
Step2: 计算$4 \cdot 4^3$
$4^{1+3}=4^4$
Step3: 计算$5^6 \cdot 5^9 \cdot 5^7$
$5^{6+9+7}=5^{22}$
Step4: 计算$6^2 \cdot 6^5$
$6^{2+5}=6^7$
Step5: 计算$3b^7 \cdot 10b^8$
$(3 \times 10)b^{7+8}=30b^{15}$
Step6: 计算$9x^{10} \cdot 10x^3$
$(9 \times 10)x^{10+3}=90x^{13}$
Step7: 计算$8r^7 \cdot 9r^3 \cdot 10r^7$
$(8 \times 9 \times 10)r^{7+3+7}=720r^{17}$
Step8: 计算$6n^9 \cdot 6n^{10}$
$(6 \times 6)n^{9+10}=36n^{19}$
Step9: 计算$10m^6n^5 \cdot 6m^4n^5$
$(10 \times 6)m^{6+4}n^{5+5}=60m^{10}n^{10}$
Step10: 计算$x^4y^{10} \cdot 2x$
$2x^{4+1}y^{10}=2x^5y^{10}$
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第二部分(幂的法则)
Step11: 计算$(4^2)^2$
$4^{2 \times 2}=4^4$
Step12: 计算$(4^4)^3$
$4^{4 \times 3}=4^{12}$
Step13: 计算$((-3)^3)^2$
$(-3)^{3 \times 2}=(-3)^6=3^6$
Step14: 计算$(-2)^4$
$(-2)^4=16$
Step15: 计算$(2m)^7$
$2^7m^7=128m^7$
Step16: 计算$(3b^6)^7$
$3^7(b^6)^7=2187b^{42}$
Step17: 计算$(n^4)^5$
$n^{4 \times 5}=n^{20}$
Step18: 计算$(3x^8)^2$
$3^2(x^8)^2=9x^{16}$
Step19: 计算$(-3b^2)^3$
$(-3)^3(b^2)^3=-27b^6$
Step20: 计算$(v^7)^{10}$
$v^{7 \times 10}=v^{70}$
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- $4^8$
- $4^4$
- $5^{22}$
- $6^7$
- $30b^{15}$
- $90x^{13}$
- $720r^{17}$
- $36n^{19}$
- $60m^{10}n^{10}$
- $2x^5y^{10}$
- $4^4$
- $4^{12}$
- $3^6$
- $16$
- $128m^7$
- $2187b^{42}$
- $n^{20}$
- $9x^{16}$
- $-27b^6$
- $v^{70}$